Question

$a2 + b2 + c2$
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Answer 1

Explanation:

Let's simplify step-by-step.

a2+b2+c2

There are no like terms.

Answer:

=a2+b2+c2

Answer 2

Answer:

a^2+b^2+c^2=(a + b + c)^2 -2ab-2bc-2ac

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