Y=a(X-2)(X+1)

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Solution for Y=a(X-2)(X+1) equation: 



=Y(Y-2)(Y+1)

We move all terms to the left:

-(Y(Y-2)(Y+1))=0

We multiply parentheses ..

-(Y(+Y^2+Y-2Y-2))=0



We calculate terms in parentheses: -(Y(+Y^2+Y-2Y-2)), so:

Y(+Y^2+Y-2Y-2)

We multiply parentheses

Y^3+Y^2-2Y^2-2Y

We do not support eYpression: Y^3

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