SOLUTION: Solve by creating the square x^2+2x-3=0 ^means it is being raised to that power, so it is x squared

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve by creating the square x^2+2x-3=0 ^means it is being raised to that power, so it is x squared      Log On


   

Question 470781: Solve by creating the square
x^2+2x-3=0
^means it is being raised to that power, so it is x squared
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+2x-3=0
x%5E2%2B2x%2B1+-2=0
%28x%2B1%29%5E2=2
x+1 = +/-sqrt(2)
+x=+sqrt%282%29-1
OR
x=-sqrt%282%29-1