Question

$a { }^{2} + b {}^{2} + 2ab + 2bc + 2ac$
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Answer 1

Answer:

$a {}^{2} + b {}^{2} + 2(ab + bc + ac)$

Taking 2 as common

But I think that You have miss

But I think that You have miss

$c {}^{2}$

Then it would be

$( a + b + c) {}^{2}$

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