x*2+8x-9=0

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Solution for x*2+8x-9=0 equation:


x*2+8x-9=0

We simplify the equation to the form, which is simple to understand 
x*2+8x-9=0

Simplifying:
+2x+8x-9=0

We move all terms containing x to the left and all other terms to the right. 
+2x+8x=0+9

We simplify left and right side of the equation. 
+10x=+9

We divide both sides of the equation by 10 to get x. 
x=0.9

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