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x^2+2x-1=9 how do I solve this.

killersteve27  Mar 14, 2017
 #1
avatar+12560 
0

Re-arrange to look like this:

x^2+2x-10 = 0  

Now use the Quadratic Formula to solve for 'x'

 

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

ElectricPavlov  Mar 14, 2017

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