S
how to find x in x^2x1 ?



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radar
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As is, you do not have an equation. What is that expression equal to?

S
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to 0

lgbasallote
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dw:1337559134977:dw i found x

radar
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The quadratic formula seems like a good candiate. OMG lgbasallote has already found x!

lgbasallote
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teachers should phrase it as solve for x :P find x is tooo easy (unless x happens to be wally)

S
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that was not helpful at all , but I understand your point

lgbasallote
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on a helpful note though...use either completing the square or q.f.

lgbasallote
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it is not factorable...i can give you that

radar
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\[x ^{2}+x1=0\]A=1
B=1
C=1
Use quadratic formula.

akamushi
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C would be +1, when you move it to the other side of the equation

radar
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x=[1+/sqrt(1+4]/2
\[=(1\pm \sqrt{5})/2\]