Expand-a-b-c-2-

Question Number 25 by user1 last updated on 25/Jan/15

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

Answered by user1 last updated on 31/Oct/14

(a + b + c) (a + b + c)

= a^{2} + b^{2} + c^{2} + 2 a b + 2 b c + 2 c a

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