(х^2-5x)^2-2(x^2-5x)-24=0 x²-5x=a a²-2a-24=0 a1+a2=2 U a1*a2=-24 a1=-4 x²-5x=-4 x²-5x+4=0 x1+x2=5 U x1*x2=4 x1=1 U x2=4 a2=6 x²-5x=6 x²-5x-6=0 x3+x4=5 U x3*x4=-6 x3=-1 U x4=6
(x^2-3x)^2-2(x^2-3x)-8=0 x²-3x=a a²-2a-8=0 a1+a2=2 U a1*a2=-8 a1=-2 x²-3x=-2 x²-3x+2=0 x1+x2=3 U x1*x2=2 x1=1 U x2=2 a2=4 x²-3x=4 x²-3x-4=0 x3+x4=3 U x3*x4=-4 x3=-1 U x4=4
x²-5x=a
a²-2a-24=0
a1+a2=2 U a1*a2=-24
a1=-4
x²-5x=-4
x²-5x+4=0
x1+x2=5 U x1*x2=4
x1=1 U x2=4
a2=6
x²-5x=6
x²-5x-6=0
x3+x4=5 U x3*x4=-6
x3=-1 U x4=6
(x^2-3x)^2-2(x^2-3x)-8=0
x²-3x=a
a²-2a-8=0
a1+a2=2 U a1*a2=-8
a1=-2
x²-3x=-2
x²-3x+2=0
x1+x2=3 U x1*x2=2
x1=1 U x2=2
a2=4
x²-3x=4
x²-3x-4=0
x3+x4=3 U x3*x4=-4
x3=-1 U x4=4