Question

(2x ^ 3 + 4x ^ 2 + 5)(2x - 3)​

Answer 1

Answer:

(2x^3+4x^2+5)(2x-3)

=(2x^3×2x)+(-2x^3×-3)+(4x^2×2x)+(4x^2×-3)+(5×2x)+(5×-3)

=4x^4-6x^3+8x^3-12x^2+10x-15

=4x^4+2x^3-12x^2+10x-15

So,this is your answer