Tìm x

x^3-16x=0
x^2+3x-10=0
3x^2+5x+2=0
(x-1)^2+x(4-x)=11
(x-5)^2-x.(x+2)=5
x(x+4)-x^2-6x=10
6x^2-(2x-3)(3x+2)=1
(x+2)(x-5)+x(1-x)=2
(x-1)(2-x)+(x-3)^2=4-2x