Join IDNLearn.com to access a wealth of knowledge and get your questions answered by experts. Find reliable solutions to your questions quickly and easily with help from our experienced experts.

Select the correct answer.
Simplify the following polynomial expression.

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

A. 20x^2 + 59x -15
B. 20x^2 +19x -60
C. 4x^2 + 59x +60
D. 4x^2 + 19x +15

How would you solve this step-by-step?