Question

factories a²-(b²+2bc+c²)​

Answer 1

Answer:

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

Step-by-step explanation:

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

​ $a^2-(b+c)^2$

Let $(b+c)^2$ be $y^2$

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

$a^2 - y^2$

$(a+y)(a-y)$

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

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

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