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Rozwiąż równania:
x³ + 2x² - 3x = 0
x(x²+2x-3)=0
x=0 x²+2x-3=0 a-1 b=2 c=-3 delta=b²-4ac= (2)²-4*1*(-3)=4+12=16 delta=4
xjeden=-2-4
----- =-3
2
xdwa=-2+4
------ =1
2
x⁴ - 3x³ - 10x² = 0
- 3x³ - 10x² +x⁴=0
a=-3 b=-10 c=1 delta=(-10)²-4*(-3)*1=100+12=112 delta=