Answer:
-8x^2+3x-6
Step-by-step explanation:
Cannot fully factor
=-8x^2+3x-6
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+−4x^2)+(3x)+(3+−9)
=−8x^2+3x+−6
