simplify
(12a+17b)^2 - (12a-17b)^2
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Step-by-step explanation:
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Attachments:
Answered by
5
Step-by-step explanation:
(a+b)^2 - (a-b)^2
(a^2 + b^2 + 2ab) - ( a^2 + b^2 - 2ab)
a2 + b2 + 2ab - a2 - b2 + 2ab
4ab
we have, a = 12a b = 17b
so, 4*12a*17b = 816ab
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