Factorise: 8(x + y)3 -27(x-y)3
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Answer:
24(x+y) - 81(x-y)
24x +24y - 81x +81y
24x-81x +24y+81y
-57x+105
105=57x
x=35/19
putting value of x in equation we will get the value of y...!!!!
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