Question

How do you simplify `(x^2 + 7x - 5) - (3x^2 + 1)`?

Answer 1

(x-2)(3-2x)

Explanation:

`(x^2+7x-5)-(3x^2+1)`
= `x^2+7x-5-3x^2-1`
=`-2x^2+7x-6`
=`-2x^2+4x+3x-6`
= -2x(x-2)+3(x-2)
= (x-2)(-2x+3)
= (x-2)(3-2x)