Odpowiedzi

2009-12-02T19:08:01+01:00
1/3x²-3=0 /*3
x²-9=0
(x-3)(x+3)=0
x=3 v x=-3
2009-12-02T19:10:07+01:00
1/3 x kwardrat - 3 = 0 | * 3
x kwardrat - 9 = 0
x kwardrat = 9 | √
x = 3
2009-12-02T19:12:41+01:00
1/3x²-3=0 /*3
x²-9=0
(x-3)(x+3)=0
x=3 lub x=-3