SOLUTION: Hello, My name is Kristin and I am studying for a math placement exam. I am rusty on some Algebra questions. Can you show me how, step by step? x^2+2x=3

Algebra ->  Expressions-with-variables -> SOLUTION: Hello, My name is Kristin and I am studying for a math placement exam. I am rusty on some Algebra questions. Can you show me how, step by step? x^2+2x=3      Log On


   

Question 30995: Hello,
My name is Kristin and I am studying for a math placement exam. I am rusty on some Algebra questions. Can you show me how, step by step?
x^2+2x=3
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2%2B2x=3+
+x%5E2%2B2x-3+=+0+
(x+3)(x-1) = 0

so either x+3=0 or x-1=0
so x=-3 or x=1

jon.