Question

Simplify :
(a+b+c) (a+b+c)​

Answer 1

Answer:

a2+b2+c2+2ab+2bc+2ca

Answer 2

Answer:

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

Step-by-step explanation:

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

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

= $a^{2}$+$b^{2}$+$c^{2}$+2ab+2bc+2ca (Used property)

Hence, simplified

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