Question

Find the factors.

(6) x² + 25x + 144

Answer 1

The factors of x² + 25x + 144 are:
$$\begin{gathered} x^2+25x+144 \\ =x^2+16x+9x+144 \\ =x\left(x+16\right)+9\left(x+16\right) \\ =\left(x+16\right)\left(x-9\right) \end{gathered}$$