1/x - 1/(x+2) = 1/12
12(x+2-x) / x(x+2) = 1
24 = x^2 + 2x
x^2 + 2x - 24 =0
D=4+4*24 = 100
x12=(-2 +-10)/2 = 4 -6
x=4 x+2 = 6 4*6 = 24
x=-6 x+2 = -4 (-6)*(-4) = 24
произведение = 24
1/x - 1/(x+2) = 1/12
12(x+2-x) / x(x+2) = 1
24 = x^2 + 2x
x^2 + 2x - 24 =0
D=4+4*24 = 100
x12=(-2 +-10)/2 = 4 -6
x=4 x+2 = 6 4*6 = 24
x=-6 x+2 = -4 (-6)*(-4) = 24
произведение = 24