Question

Find the factors.

(8) 9x² + 5xy − 14y²

Answer 1

The factors of 9x² + 5xy − 14y² are:

$$\begin{gathered} 9x^2+5xy-14y^2 \\ =9x^2-9xy+14xy-14y^2 \\ =9x\left(x-y\right)+14y\left(x-y\right) \\ =\left(x-y\right)\left(9x+14y\right) \end{gathered}$$