Question

(xiii) (a + b + c)^2-(a - b -c)^2?
please factorize it​

Answer 1

Answer:

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

$((a+b+c)-(a-b-c))((a+b+c)+(a-b-c))$

$(a+b+c-a+b+c)(a+b+c+a-b-c)$

$(a-a+b+b+c+c)(a+a+b-b+c-c)$

$(2b+2c)(2a)$

$2(b+c)(2a)$

$2(2a)(b+c)$

$4a(b+c)$