Math, asked by nikhilpawarp65, 2 months ago

Evaluate: (a + b + c)² - (a + b - c)

Answers

Answered by shwet9246

1

Answer:

a²+b²+c²+2ab+2bc+2ca-a-b-c

Step-by-step explanation:

(a+b+c)²=a²+b²+c²+2ab +2bc+2ca

-(a+b-c)

=a²+b²+c²+2ab+2bc+2ca-a-b+c

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