Question

F(x)=9x3+2x2-5x+4amd g(x) =5x3-7+4

Answer 1

-4.5

Explanation:

Answer 2

f(×)=9×3+2×2 -5×+4

g(×)=5×3-7+4

f(×)-g(×)

(9×3+2×2-5×+4)-(5×+4)-(5×3-7×+4)

9×3+2×2-5×+4-5×3+7-4

(9×3-5×3)+2×2+(7×-5×)+(4-4)

4×3+2×2+2×

=2×*(2×2+×+1)