7x2 - 63 y2 factorize
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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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1
Step-by-step explanation:
hi solved problem.it is correct
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