SOLUTION: solve using Q. F. Formula x=-b+- sq b-4ac/2a 2x^2+x-1=0 the answer is 1/2,1 I'm new to these so please help....thanks!

SOLUTION: solve using Q. F. Formula x=-b+- sq b-4ac/2a 2x^2+x-1=0 the answer is 1/2,1 I'm new to these so please help....thanks!

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Question 84685: solve using Q. F. Formula x=-b+- sq b-4ac/2a

2x^2+x-1=0 the answer is 1/2,1

I'm new to these so please help....thanks!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve using the quadratic formula:
Here, a = 2, b = 1, and c = -1 So, making the appropriate substitutions, we get:
Now simplify this.

or
or Note the negative on the 1.
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