x3-5x2+72=X3-4X2-9

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Solution for x3-5x2+72=X3-4X2-9 equation: 



x3-5x^2+72=x3-4x^2-9

We move all terms to the left:

x3-5x^2+72-(x3-4x^2-9)=0

We add all the numbers together, and all the variables

-5x^2+x^3-(x3-4x^2-9)+72=0

We get rid of parentheses

-5x^2+x^3+4x^2-x3+9+72=0

We do not support expression: x^3

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