a)x^2+2x=0
b)x^2-5x=0
a)
x^2+2x=0
x(x + 2) = 0
x = 0 lub x + 2 = 0
x = -2
odp. x = 0 l ub x = -2
b)
x^2-5x=0
x(x - 5) = 0
x = 0 lub x - 5 = 0
x = 5
odp. x = 0 lub x = 5
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a)
x^2+2x=0
x(x + 2) = 0
x = 0 lub x + 2 = 0
x = -2
odp. x = 0 l ub x = -2
b)
x^2-5x=0
x(x - 5) = 0
x = 0 lub x - 5 = 0
x = 5
odp. x = 0 lub x = 5