2x2-7-x(2x+1)=0

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Solution for 2x2-7-x(2x+1)=0 equation: 



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

We multiply parentheses

2x^2-2x^2-x-7=0

We add all the numbers together, and all the variables

-1x-7=0

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

-x=7

x=7/-1

x=-7

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