Question

(-4x2 + 3x + 3) – (4x² + 9)

Answer 1

=-8x^2+3x-6

Explanation:

distribute the negative sign

=−4x^2+3x+3+−1(4x^2+9)

=−4x^2+3x+3+−1(4x^2)+(−1)(9)

=−4x^2+3x+3+−4x^2+−9

combine like terms

=−4x^2+3x+3+−4x^2+−9

=(−4x^2+−4x^2)+(3x)+(3+−9)

=−8x^2+3x+−6

Answer 2

-8x^2+3x-6

Explanation:

Cannot fully factor