Question

simplify (a+b+c)²-(a-b-c)²
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Answer 1

Answer:

4ab+4ca

Step-by-step explanation:

a^2+b^2+c^2+2ab+2bc+2ca-a^2-b^2-c^2+2ab-2bc+2ca

= 4ab+4ca

HOPE IT HELPS!!

Answer 2

Answer:

4ab+4ac is the answer

Step-by-step explanation:

Using identity

a^2-b^2= (a+b)(a-b)

Here a = (a+b+c) ; b = (a-b-c)

(a+b+c)²-(a-b-c)²

= [(a+b+c)+(a-b-c)][(a+b+c)-(a-b-c)]

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

= 4ab+4ac