Question

Which is a correct expansion of (2x+3)(2x^{2} -5)?

Answer 1

Answer:

4x^{3} + 6x^{2} -10x -15

Step-by-step explanation:

(2x+3)(2x^{2} -5)

2x × 2x^{2} + 2x× (-5) + 3× 2x^{2} + 3 ×(-5)

=4x^{3} -10x + 6x^{2} -15

= 4x^{3} + 6x^{2} -10x -15