Math, asked by kjchavhan1, 10 months ago

factorise:) a²-b²-c²-2bc

Answers

Answered by sudheera36

1

Answer:

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

Step-by-step explanation:

a²-b²-c²-2bc

= a²-(b²+2bc+c²)

= a²-(b+c)²

= (a-(b+c)) × (a+(b+c))

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

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