Question

(a + b + c)2 – ( a – b + c)​

Answer 1

Answer:

2(a+b+c)-(a-b+c)

⇒2a+2b+2c-a+b=c

⇒a+3b+c

Step-by-step explanation:

hope it helps!

Answer 2

Answer:

here's your answer....

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=> 2(a+b+c)-(a-b+c)

=> 2a+2b+2c-a+b=c

=> a+3b+c

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Step-by-step explanation:

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. hope it helps you..