Question

Find the factors.

(12) x² – 36x + 324

Answer 1

The factors of x² – 36x + 324 are:

$$\begin{gathered} x^2-36x+324 \\ =x^2-18x-18x-324 \\ =x\left(x-18\right)-18\left(x-18\right) \\ =\left(x-18\right)\left(x-18\right) \end{gathered}$$