a) 3x³+3x²-2x=0
x(3x²+3x-2)=0
x₁=0 lub 3x²+3x-2=0
Δ=9-4*3*(-2)=9+24=33>0
√Δ=√33
x₂=-3-√33/6
x₃=-3+√33/6
b) x⁵-7x⁴+12x³=0
x³(x²-7x+12)=0
x³=0 lub x²-7x+12=0
x₁=0 Δ=49-4*12=49-48=1>0
√Δ=1
x₂=7-1/2=6/2=3
x₃=7+1/2=8/2=4
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a) 3x³+3x²-2x=0
x(3x²+3x-2)=0
x₁=0 lub 3x²+3x-2=0
Δ=9-4*3*(-2)=9+24=33>0
√Δ=√33
x₂=-3-√33/6
x₃=-3+√33/6
b) x⁵-7x⁴+12x³=0
x³(x²-7x+12)=0
x³=0 lub x²-7x+12=0
x₁=0 Δ=49-4*12=49-48=1>0
√Δ=1
x₂=7-1/2=6/2=3
x₃=7+1/2=8/2=4