Question

Factorise 4(p - 2q)^2 -9(p - 2q)

Answer 1

Step-by-step explanation:

4(p - 2q)^2 -9(p - 2q)

=(2(p-2q))^2-(3root(p-2q))^2

=(2(p-2q)+3root(p-2q)) (2(p-2q)-3root(p-2q))