Question

Multiply (a+b+c) and {a+b+c)

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Answer 1

Answer:

(a+b+c)²

Step-by-step explanation:

Answer 2

Answer:

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

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

= a^2+b^2+c^2+2(ab+bc+ca) (ANSWER)