Math, asked by noorbali4693, 4 months ago

7x²- 63 y² = ? Factorise I want steps answer will be - 7(x-3y)(X+3y)

Answers

Answered by Deergha06

2

Answer:

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

Step-by-step explanation:

7x²- 63 y²

7(x^2-9y^2)( using a^2-b^2=(a+b)(a-b)

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

I hope it helps

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