Math, asked by shipra217, 7 hours ago

factorise x²-4

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Answers

Answered by NITESH761
1

Step-by-step explanation:

4=2²

So, factorisation of x²-4 is:-

x²-2²

using identity a²-b²=(a+b)(a-b)

So, the factors are:-

(x+2)(x-2)

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