Question

Find the factors.

(13) y² + 6y – 135

Answer 1

The factors of y² + 6y – 135 are:

$$\begin{gathered} y^2+6y-135 \\ =y^2+15y-9y-135 \\ =y\left(y+15\right)-9\left(y+15\right) \\ =\left(y+15\right)\left(y-9\right) \end{gathered}$$