Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

807,687 users

Short Answer: Find the difference (7x^3-6x^2+6) - (2x^2-4x-9)

0 votes

Short Answer: Find the difference (7x^3-6x^2+6) - (2x^2-4x-9) Please show work.

solving-equations

asked Mar 12, 2014 in ALGEBRA 2 by harvy0496 Apprentice

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

+1 vote

(7x ^3 - 6x ^2 + 6) - (2x ^2 - 4x - 9)

= 7x ^3 - 6x ^2 + 6 - 2x ^2 + 4x + 9

= 7x ^3 - 8x ^2 + 4x + 15.

(7x ^3 - 6x ^2 + 6) - (2x ^2 - 4x - 9) = 7x ^3 - 8x ^2 + 4x + 15.

answered Mar 21, 2014 by dozey Mentor

Please log in or register to add a comment.

Related questions

3x + 6y – 6z = 9, 2x – 5y + 4z = 6 and -x +16y + 14z = -3 what is the answer

asked Feb 20, 2014 in ALGEBRA 2 by abstain12 Apprentice

system-of-equations
solving-equations
substitution-method
elimination-method

subtract (8x^2+6x+3) from (-2x^2+5x-9)

asked Mar 5, 2014 in ALGEBRA 2 by futai Scholar

solving-equations

(x+2)/(2x^3+6x^2-9)

asked Feb 22, 2014 in ALGEBRA 2 by abstain12 Apprentice

solving-equations
long-division

find the unknowns usuing either elimination or substitution 2x+6y+3z=9 , 5x-3y-5z=3 , 4x+3y+2z=3

asked Nov 28, 2013 in ALGEBRA 2 by angel12 Scholar

system-of-equations
solving-equations

x^2+7x=-2x^2+6

asked Mar 11, 2014 in ALGEBRA 2 by chrisgirl Apprentice

solving-equations
quadratic-equation

Find all real zeros of x^4-6x^3+7x^2-6x+6

asked Nov 23, 2013 in ALGEBRA 2 by andrew Scholar

real-and-complex-zeros

solve 2x + y – z = 3, 4x – y + 4z = 0 and -3y + 2z = 6

asked Nov 28, 2013 in ALGEBRA 2 by andrew Scholar

system-of-equations
solving-equations

solve by finding all roots: x^4-5x^3+7x^2-5x+6=0

asked Feb 24, 2014 in ALGEBRA 2 by homeworkhelp Mentor

roots-of-polynomials
solving-equations
polynomial-function

x-4/x^3-8x^2+4x-9

asked Mar 12, 2014 in ALGEBRA 2 by chrisgirl Apprentice

solving-equations

Find all roots of x^3-2x^2-5x+6

asked Feb 24, 2014 in ALGEBRA 2 by homeworkhelp Mentor

roots-of-polynomials
solving-equations

how do you solve this using a gausian reduction using the three equations? 4x+z=3,2x-y=2,and 3y+2z=0

asked Nov 28, 2013 in ALGEBRA 2 by chrisgirl Apprentice

system-of-equations
solving-equations

6x-6y-4z=-10, -5x+4y-z=-12 and 2x+3y-2z=9

asked Mar 5, 2014 in ALGEBRA 2 by harvy0496 Apprentice

system-of-equations
solving-equations
substitution-method
elimination-method

2x+4y=6 and 7x=4+3y

asked Mar 5, 2014 in ALGEBRA 2 by futai Scholar

system-of-equations
solving-equations
substitution-method

What is the value of the discriminant -14x^2+7x+9=0

asked Mar 11, 2014 in ALGEBRA 2 by futai Scholar

discriminant
solving-equations

lim as x approaches -1.5 9-4x^2/3+2x=6

asked Dec 15, 2017 in CALCULUS by anonymous

limits

6x-y=3 and 4x-2y=-2

asked Feb 28, 2014 in ALGEBRA 1 by futai Scholar

evaluate-the-expression
solving-equations

substitution method for 6x-3y=18, and y=2x-6, and show steps

asked Mar 11, 2014 in ALGEBRA 2 by payton Apprentice

system-of-equations
solving-equations
substitution-method

Are the two equations -6 + y=2x and 2y - 4x = 12 dependent?

asked Jul 22, 2019 in ALGEBRA 2 by butterflies19 Rookie

solving-equations

6x+7y+5z=3;4x-5y-3z=15;8x+6y+7z=11

asked Oct 26, 2017 in ALGEBRA 2 by anonymous

solving-equations

Find the real solutions of this equation x^4 + 4x^3 + 2x^2 - x + 6 = 0

asked Nov 23, 2013 in ALGEBRA 2 by angel12 Scholar

real-numbers

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...