Հանրահաշիվ

x2+2x/x-2
x=-2

3×2-7x/x2+1=0

3×2-7x
x(3x-7) =0
x=0
x=7/3

(x-7)(1.5+x)/x2-3x+4=0
x=7
x=-1.5
4×2-12x-27/x2-3x-10=0

(2x-3)(2x

x3-4×2+5x/x2-3=0
x(x2-4x+5)/x2-3=0
x=0

D=16-20=-4

x3+3×2-18x/x2+4=
x(x2+3x-18)/x2+4=0
x=0
D=9+72=81

-3+9/2=3
-3-9/2=-6