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Mathematics 16 Online
OpenStudy (anonymous):

help see below

OpenStudy (anonymous):

solve the quadratic equation for the indicated variable \[x^2-mx=1 \] for x

OpenStudy (anonymous):

\[ \Large x^2-mx-1=0\\ \Large x=\frac{-b\mp\sqrt{b^2-4ac}}{2a}\\ \text{where } a=1\\b=-m\\c=-1 \]

OpenStudy (anonymous):

oh ok that makes sense :) so \[x=\pm \frac{ \sqrt{m^2+4} }{ 2 }\]

OpenStudy (yamyam70):

@cinar

OpenStudy (anonymous):

\[ \Large x=\frac{ m\mp\sqrt{m^2+4} }{ 2 }\]

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