Factorise - 4 ab +(a+b)²
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0
Answer:
4a2b+4ab2.............
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1
-4ab+(a+b)²
=(a+b)²
-4ab+(a+b)²
=-4ab(a²+2ab+b²
=-4ab+a²+2ab+b²
=a²-2ab+b²-4ab
=(a -b)²
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