Math, asked by farzeen04, 9 months ago

how to factorise 9x^2-y^2 ??

Answers

Answered by nisthasaini22

4

Answer:

9x²-y²

we use identity= (a-b) (a+b) = a²-b²

rewrite 9x²as (3x)²

(3x+y) ( 3x-y)

Step-by-step explanation:

4

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