Question

Factorize each of the following expression:
(2a − b)² − 16c²

Answer 1

$$\begin{gathered} (2a-b{)}^2-16c^2 \\ =(2a-b{)}^2-(4c{)}^2 \\ =[(2a-b)-4c\left]\right[(2a-b)+4c] \\ =(2a-b-4c\left)\right(2a-b+4c) \end{gathered}$$