Math, asked by neetu1487, 1 year ago

20a square _ 45b square factorise

Answers

Answered by anurag8808
13
u take formula(a-b)^

neetu1487: answer
anurag8808: wait kro
neetu1487: ok
Answered by dityashahni
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

dityashahni: what is the answer
dityashahni: i will try its correction
neetu1487: 7(3a_4b)(3a+4b)
dityashahni: ok
dityashahni: thanks
dityashahni: its 20a^2 or 20a ka whole square
anurag8808: 5(4a^-9b^) then solve
anurag8808: wrong solution
dityashahni: ur answer is wrong neetu
dityashahni: plz check
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