SOLUTION: (x+y)^3+(y-4)^3

Question 31508: (x+y)^3+(y-4)^3
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
(x+y)^3+(y-4)^3
={X+Y+Y-4){(X+Y)^2-(X+Y)(Y+4)+(Y-4)^2}
=(X+2Y-4)(X^2+Y^2+2XY-XY-4X-Y^2-4Y+Y^2+16-8Y)
=(X+2Y-4)(X^2+Y^2+XY-4X-12Y+16)
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