Question

Simplify and factorise (a+b+c)°2

Answer 1

Answer:

Step-by-step explanation:

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

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Answer 2

(a+b+c)²

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

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

a²+ab+ac+ab+b²+bc+ca+cb+c²

a²+b²+c²+2ab+2bc+2ca

a²+b²+c²+2(ab+bc+ca)