Question

Fartorise: (i) 25a²-9b²

Answer 1

Hope it will help you .

Answer 2

25a^2 - 9b^2
= (5a)^2-(3b)^2
comparing with a^2-b^2 = (a-b)(a+ b)
So, answer is (5a+3b)(5a-3b)

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