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Factorise x(x-a) -y (y-a) |
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Answer» x+y=a Step-by-step explanation: 1st solve brackets and we GET then took xa and ya to right HAND side x2 -y2 =xa- ya acoording to identity a2-b2=(a-b)(a+b (x-y)(x+y)= (x-y)a cancel( x-y) on both side we get ans x+y =a or x+y-a=0 |
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