Question

factorise 64a^2 - 25b^2​

Answer 1

❒ $\large{\sf{SOLUTION}}$

64a² - 25b²

(8a)² - (5b)²

Using Identity a² - b² = (a+b) (a-b)

(8a)² - (5b)² = (8a + 5b) (8a- 5b)