Rozwiąż równanie 3/2x-1=8/x+5
3/2x-1=8/x+5
3/2x-8/x-6=0 /*x
3/2x^2-6x-8=0
DELTA=36+4*8*3/2=36+16*3=36+48=84
Pierwiastek z delta = pierwiastek z 4*21 = 2pierwiastek z 21
x1=(8-2pierwiastek z 21)/(2*3/2)=(8-2pierwiastek z 21)/3
x2((8+2pierwiastek z 21)/3
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3/2x-1=8/x+5
3/2x-8/x-6=0 /*x
3/2x^2-6x-8=0
DELTA=36+4*8*3/2=36+16*3=36+48=84
Pierwiastek z delta = pierwiastek z 4*21 = 2pierwiastek z 21
x1=(8-2pierwiastek z 21)/(2*3/2)=(8-2pierwiastek z 21)/3
x2((8+2pierwiastek z 21)/3