Math, asked by DEVENMITTAL, 10 months ago

Maths worksheet
Chapter 14 factorisation
1. Express the following in (a+b)(a-b) :-
(6) 20a²-45b²

Answers

Answered by THEDARKMAYOR

1

Answer:

5[(4a^2) - (9b^2)]

5[(2a)^2-(3b)^2]

5(2a+3b)(2a-3b)

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