x*2-9x-7=0

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Solution for x*2-9x-7=0 equation: 



x*2-9x-7=0

We add all the numbers together, and all the variables

-9x+x*2-7=0

Wy multiply elements

-9x+2x-7=0

We add all the numbers together, and all the variables

-7x-7=0

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

-7x=7

x=7/-7

x=-1

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