x3+7x2=7x2+8

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Solution for x3+7x2=7x2+8 equation: 



x3+7x^2=7x^2+8

We move all terms to the left:

x3+7x^2-(7x^2+8)=0

We add all the numbers together, and all the variables

7x^2+x^3-(7x^2+8)=0

We get rid of parentheses

7x^2+x^3-7x^2-8=0

We do not support expression: x^3

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