simplify the following
(a+b)²-(a-b)²
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simplify the following
(a+b)²-(a-b)²
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Step-by-step explanation:
(a+b)^2-(a-b)^2
a^2+b^2+2ab-a^2-b^2+2ab
4ab
then
cut 2ab so
take common 2
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