Chapter 14.6, Problem 15PPS

To determine

To divide:The given expression.

Answer to Problem 15PPS

The expression after division is $3b-2$ .

Explanation of Solution

Given information:

The expressionis $\left(21a^{2}b-14a^2\right)÷\left(7a^2\right)$ .

Calculation:

Consider the expression.

  $\begin{array}{c}\left(21a^{2}b-14a^2\right)÷\left(7a^2\right)=\frac{21a^{2}b}{7a^2}-\frac{14a^2}{7a^2}\\ =3b-2\end{array}$