Factorise a2 + b2 - c2 - 2ab
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Answered by
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Answer:
a^2 + b^2 -2ab -c^2 = (a-b)^2 -c^2
Answered by
1
Step-by-step explanation:
a^2+b^2-c^2-2ab = (a-b)^2-2ab
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