7x-1(x2-x-9)=17-x2

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Solution for 7x-1(x2-x-9)=17-x2 equation: 



7x-1(x2-x-9)=17-x2

We move all terms to the left:

7x-1(x2-x-9)-(17-x2)=0

We add all the numbers together, and all the variables

-1(+x^2-1x-9)-(-1x^2+17)+7x=0

We get rid of parentheses

-1(+x^2-1x-9)+1x^2+7x-17=0

We add all the numbers together, and all the variables

x^2-1(+x^2-1x-9)+7x-17=0

We move all terms containing x to the left, all other terms to the right

x^2-1(+x^2-1x-9)+7x=17

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