Question

which expression is equivalent to (4x^2+2)(x+3)

Answer 1

$\begin{gathered} (4x^{^2\text{ }}+\text{ 2)(x + 3)} \\ By\text{ expanding, we have.} \\ 4x^{^2\text{ }}(x\text{ + 3) + 2(x + 3)} \\ 4x^{3\text{ }}+12x^{2\text{ }}+2x\text{ + 6} \\ 4x^3+12x^2\text{ + 2}x\text{+ 6} \end{gathered}$