Question

factorise
a^2- 4b^2+ 4ab - 4c^2​

Answer 1

check the question mate...

i think it will be +4b² instead of -4b².

Answer 2

$\huge\bold\pink{ANSWER:}$

Hello Dear User__________

Here is Your Answer...!!

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Step by step solution:

$a^2+4b^2+ 4ab - 4c^2\\\\we \ have \ to \ factorise \ it.\\\\Let \ us \ do\\\\(a+2b)^2-(2c)^2\\\\using \ identity \ a^2+b^2=(a-b)(a+b)\\\\(a+2b-2c)(a+2b+2c)$

Hope it is clear to you.