Question

Evaluate each polynomial for x = 5 and y = -2, x^2 +5y^2-4xy Please show work

Answer 1

Given polynomial x^2+5y^2-4xy

For x = 5,y = 2

= 5^2+5*(-2)^2-4*5*-2

= 25+5*4+40

= 25+20+40

= 85

Comments

Typo mistake in second line of above solution.

Substitute x = 5 and y = -2 in the polynomial.