If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
C = (1/2)*f*m // - (1/2)*f*m
C-((1/2)*f*m) = 0
C+(-1/2)*f*m = 0
C-1/2*f*m = 0
x należy do R
x in (-oo:+oo)
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