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Expand (2b +7) squared + (2b-7) squared
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Expand (2b +7) squared + (2b-7) squared

User Anandharshan
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1 Answer

4 votes
(2b+7)^2+(2b-7)^2
4b^2+28b+49+4b^2-28b+49
8b^2+98


User Aballano
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