Question 134806
Actually, it depends on whether you meant:  {{{(mx)^2=5x}}} or {{{mx^2=5x}}}


{{{mx^2=5x}}}


Divide both sides by {{{mx}}}:


{{{mx^2/mx=5x/mx}}}


{{{cross(mx^2)x/cross(mx)=(5*cross(x))/(m*cross(x))}}}


{{{x=5/m}}}


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{{{(mx)^2=5x}}} 


Divide both sides by {{{m^2x}}}:


{{{m^2x^2/m^2x=5x/m^2x}}}


{{{cross(m^2x^2)x/cross(m^2x)=(5*cross(x))/(m^2*cross(x))}}}


{{{x=5/m^2}}}