x*(x-1)+x*(x+1)+(x-1)*(x+1)=299;
3 x^2 -300=0;
x=10
x*x+(x-2)*(x-2)=10*10
96 - 4 x + 2 x^2 = 0
x=8,x-2=6
(0.5-x)*x=0.06;
x^2-0.5x+0.06=0;
x=0.3;0.5-x=0.2
x*(x-1)+x*(x+1)+(x-1)*(x+1)=299;
3 x^2 -300=0;
x=10
x*x+(x-2)*(x-2)=10*10
96 - 4 x + 2 x^2 = 0
x=8,x-2=6
(0.5-x)*x=0.06;
x^2-0.5x+0.06=0;
x=0.3;0.5-x=0.2