x^2-7x x-4 11x
+ - =1
3 3 10
x^2-6x-4 11x
- =1
3 10
10x^2-60x-40-33x
=1
30
10x^2-93x-40-30=0
10X^2-93x-70=0
D=11449
x1=(93+107)/20=10
x2=(93-107)/20=-7/10
x^2-7x x-4 11x
+ - =1
3 3 10
x^2-6x-4 11x
- =1
3 10
10x^2-60x-40-33x
=1
30
10x^2-93x-40-30=0
10X^2-93x-70=0
D=11449
x1=(93+107)/20=10
x2=(93-107)/20=-7/10