Question

What is the product of the polynomials below? (5x2 - x-3)(2x+6)

Answer 1

Option D is the right ans. feel free to clarify

Answer 2

$\bf \rightarrow \:(5 {x}^{2} - x - 3) \: \: (2x + 6) \\ \\ \bf \small \rightarrow \:10 {x}^{3} - 2 {x}^{2} - 6x + 30 {x}^{2} - 6x - 18 \\ \\ \bf \rightarrow \:10 {x}^{3} + 28 {x}^{2} - 12x - 18$

༆ Option D is the correct answer༆