Question

7x2 - 63 y2 factorize​

Answer 1

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

Step-by-step explanation:

7x^2-63y^2

7(x^2-9y^2)

7[(x)^2-(3y)^2]

[:.a^2-b^2=(a+b)(a-b)]

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

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Answer 2

Step-by-step explanation:

hi solved problem.it is correct