Question

factorise
125a^2-45b^2​

Answer 1

$= {125a}^{2} - {45b}^{2} \\ = (5 \sqrt{5} a + 3 \sqrt{5} b)(5 \sqrt{5} a - 3 \sqrt{5} b)$

hope it helps you

Answer 2

Answer:

Ise the identity and do

Step-by-step explanation:

Hope it is correct