Math, asked by sweta70, 1 year ago

factorise 25a square - 4bsquare + 28bc - 49c square

Answers

Answered by Anonymous
4
Hi!!!!

Here is the answer_______________________________________________________________

=25a^2-4b^2+28bc-49c^2
=(5a)^2-(2b) ^2+(-4b)(-7c)-(7c)^2


hope it hlpzz....

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