Question

Which expression is the product of (x^2 -5x-4)and(2x+1)?

Answer 1

2x^3+x^2-23x-4

Explanation:

x^2(2x+1)-5x(2x+1)-4(2x+1)

2x^3+x^2-10x-5x-8x-4

=2x^3+x^2-23x-4