SOLUTION: I'm haveing trouble completing this equation...using Q. F. x=-b+- sq. b^2-4ac/2a 2+2x-x^2=0 The answer is 1+- sq. 3

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Question 85166: I'm haveing trouble completing this equation...using Q. F.
x=-b+- sq. b^2-4ac/2a
2+2x-x^2=0
The answer is 1+- sq. 3

Answer by ptaylor(2198)   (Show Source): You can put this solution on YOUR website!

Lets first multiply each term by -1 to get the quadratic in a more recognizable form:
quadratic in standard form where:
A=1
B=-2
C=-2
Solve using the quadratic formula

and this equals:
which equals:
and this can be written as:
simplifying we get:
and this reduces to:


Hope this helps----ptaylor







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