Question

simplify - (a+b+c)² - (a-b-c)?

Answer 1

Answer:

(a+b+c)²-(a-b-c)

{(a+b+c)(a+b+c)}-(a-b-c)

(a²+ab+ac+ab+b²+bc+ac+bc+c²)-(a-b-c)

a²+b²+c²+2ab+2bc+2ac-a+b+c

a+b³+c³+2ab+2bc+2ac

Step-by-step explanation:

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