40+7x+x^2=10*2x+x^2

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Solution for 40+7x+x^2=10*2x+x^2 equation: 



40+7x+x^2=10*2x+x^2

We move all terms to the left:

40+7x+x^2-(10*2x+x^2)=0

We get rid of parentheses

x^2-x^2-10*2x+7x+40=0

We add all the numbers together, and all the variables

7x-10*2x+40=0

Wy multiply elements

7x-20x+40=0

We add all the numbers together, and all the variables

-13x+40=0

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

-13x=-40

x=-40/-13

x=3+1/13

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