Posted by kate on Friday, November 16, 2007 at 9:31pm.
solve by using the quadratic formula:
x2 plus x minus 2 equal 0
I know the formula is a=1 b=1 c=2
I'm having trouble solving...please help.

i need help..algebra/math  Michael, Friday, November 16, 2007 at 10:40pm
x^2 + x  2 = 0
a = 1, b = 1, c = 2 are the variables.
The formula is "the opposite of b plus or minus the square root of b squared minus 4ac all over 2a."
If you click "Mathematics" on the right, a tutorial on the quadratic formula is available. Go to "Algebra" and then "Quadratic Formula."
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