20a square _ 45b square factorise
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Answered by
13
u take formula(a-b)^
neetu1487:
answer
Answered by
28
20a^2- 45b^2
5(4a^2-9b^2)
5(2a)^2-(3b)^2
5(2a+3b)(2a-3b).
this is Ur final answer.
and sorry for silly mistake.
thanks
5(4a^2-9b^2)
5(2a)^2-(3b)^2
5(2a+3b)(2a-3b).
this is Ur final answer.
and sorry for silly mistake.
thanks
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