English, asked by VirajSingh11, 1 year ago

25xcube-49xy factorise

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Answered by chiefLucky
5
25.x^3.y^3-49xy
=25(xy) ^3-49xy
=xy[25x^2.y^2-49]
=xy[(5xy)^2-(7)^2]
=xy(5xy+7)(5x-7)
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