Factorise
4a^2-12a+9-49b^2
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Answered by
10
firstly factorise first 3 terms to get,
(2a-3)^2 - 49 b^2
now,
this can be written as (2a-3+7b)* (2a-3-7b)
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(2a-3)^2 - 49 b^2
now,
this can be written as (2a-3+7b)* (2a-3-7b)
Mark as brainliest if u liked
Answered by
6
Sundar............. ...
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