Question

What is the simplified form of this expression?
(5x2 + 2x + 11) − (7 + 4x − 2x2)

Answer 1

Below

Explanation:

(5x2 + 2x + 11) − (7 + 4x − 2x2) = 5x^2 + 2x + 11 - 7 - 4x + 2x^2 =

(5x^2 + 2x^2 ) + ( 2x-4x) +(11-7) =

7x^2 - 2x + 4