Question

Which expression is equivalent to the following expression?
(−4x² + 3x − 7) − (x² − 7x + 5)

Answer 1

-5x^2+10x-12

Explanation:

(-4x^2+3x-7)-(x^2-7x+5)

-4x^2-x^2+3x-(-7x)-7-5

-5x^2+3x+7x-12

-5x^2+10x-12