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(3x+y)(3x-5)

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(3x+y)(3x-5)

Posted by Uday Patel 5 years, 3 months ago

Yuvika Mourya 5 years, 3 months ago

(X+a)(x+b) =x^2+(a+b)x+ab; Put x=3x and put a=y and b=-5; Then A. T. Q: (3x)^2+(y+(-5))(3x)+(y)(-5); 9x^2-15xy-5y ?here is your answer?

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