Question

Find the product of the following :

$3a^2-2ab+7band6b^2$

Answer 1

$$\begin{gathered} =(3a^2-2ab+7b)\left(6b^2\right) \\ =3a^2\left(6b^2\right)-2ab\left(6b^2\right)+7b\left(6b^2\right) \\ =18a^2{b}^2-12a{b}^3+42b^3 \end{gathered}$$