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

807,739 users

-7c(-7c + 5)-3c =

0 votes

A. 49c^2 - 32c

B. -49c^2 - 38c

C. 14c^2 + 38c

D. 49c^2 - 38c

E. 14c^2 - 38c

solving-equations

asked Mar 11, 2014 in PRE-ALGEBRA by payton 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

0 votes

Given

- 7c(- 7c + 5) - 3c.

Apply distributive property : a(b - c) = ab - ac.

= 49c^2 - 35c - 3c

= 49c^2 - 38c.

Therefore,- 7c(- 7c + 5) - 3c = 49c^2 - 38c.

answered Mar 12, 2014 by dozey Mentor

Please log in or register to add a comment.

Related questions

Express as a trinomial: (7c^2-6c-5)-(2c^2+5c+1)

asked Mar 5, 2014 in ALGEBRA 2 by angel12 Scholar

trinomial-factoring
solving-equations

-5(4x - 2y + 6m - 12) + 15 - 7y - m + 6x simplfied

asked Sep 20, 2018 in PRE-ALGEBRA by anonymous

solving-equations

How do I solve 10^(1−x) = 5^x?

asked Oct 20, 2014 in PRE-ALGEBRA by anonymous

solving-equations

solving linear equation (3x+5)/7 + (4x-9)/6 = 38x and check the solution

asked Mar 13, 2014 in PRE-ALGEBRA by chrisgirl Apprentice

solving-equations

How do you solve this with elimating the fractions first? 1/3p - 5 = 1/4p

asked Mar 13, 2014 in PRE-ALGEBRA by harvy0496 Apprentice

solving-equations
numeric-fractions

3m/4+m/2=-5 solve for m and check the solution.

asked Mar 13, 2014 in PRE-ALGEBRA by andrew Scholar

solving-equations

what is 19 1/7 minus 5 1/3

asked Mar 11, 2014 in PRE-ALGEBRA by chrisgirl Apprentice

solving-equations

solve and check 4/5+4x=7x+94/5

asked Mar 11, 2014 in PRE-ALGEBRA by harvy0496 Apprentice

solving-equations

y^4-3y+4/y^2-5

asked Mar 6, 2014 in PRE-ALGEBRA by harvy0496 Apprentice

solving-equations

what is 2+2[3+4(7-5)] using order of operations

asked Feb 26, 2014 in PRE-ALGEBRA by payton Apprentice

order-of-operations
solving-equations

I need to factor the polynomial 18a^2b^3c-45ab^6c completely

asked Dec 2, 2013 in ALGEBRA 1 by harvy0496 Apprentice

factoring-polynomials

y=(x-1)(x+7)

asked Oct 13, 2020 in PRE-ALGEBRA by anonymous

solving-equations

7x-y+z=-24, 3x+2y-3z=-3, x-3y+2z=-12

asked Jun 8, 2019 in PRE-ALGEBRA by anonymous

solving-equations

solve for 7x-y+z=-24, 3x+2y-3=-3, x-3y+2z=-12

asked Jun 8, 2019 in PRE-ALGEBRA by anonymous

solving-equations

6x-3y=15, 7x+4y=10

asked Oct 20, 2018 in PRE-ALGEBRA by NerdyPorcupine Rookie

elmination-method
solving-equations

solve 2(6b+8)=4+6b

asked Dec 11, 2014 in PRE-ALGEBRA by anonymous

solving-equations

(x+2)^2=3(x+2)

asked Jun 14, 2014 in PRE-ALGEBRA by anonymous

solving-equations

How do i solve this math equation to find the solution ?

asked Apr 21, 2014 in PRE-ALGEBRA by anonymous

solving-equations

HELP with simple algebra equation?

asked Apr 21, 2014 in PRE-ALGEBRA by anonymous

solving-equations

I'm really confused trying to solve this equation. I keep getting different answers. I think the bx is confusing me.

asked Mar 13, 2014 in PRE-ALGEBRA by abstain12 Apprentice

solving-equations

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

...