SOLUTION: Help me to solve {{{ 1=x^2+2x-3 }}}.

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Question 1130762: Help me to solve +1=x%5E2%2B2x-3+.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2%2B2x-4=0
Factorable easily? No.

x=%28-2%2B-+sqrt%282%5E2-4%2A%28-4%29%29%29%2F2
x=%28-2%2B-+sqrt%2820%29%29%2F2
x=%28-2%2B-+2%2Asqrt%285%29%29%2F2
highlight%28x=-1%2B-+sqrt%285%29%29

Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.
Learn on how to solve a quadratic equation using the quadratic formula from the lessons
    - Introduction into Quadratic Equations
    - PROOF of quadratic formula by completing the square
in this site.