Solve : x=- 1 , X* 2 2- 1 2 - x

Solve : x - (x - 1)/2 = 1 - (x - 2)/3

Solve: |[x^2-1, x^2+2x+1, 2x^2+3x+1], [2x^2+x-1, 2x^2+5x-3, 2x^2+4x-3], [6x^2-x-2, 6x^2-7x+2, 12x^2-5x-2]|=0.

Solve: |[x^2-1, x^2+2x+1, 2x^2+3x+1], [2x^2+x-1, 2x^2+5x-3, 2x^2+4x-3], [6x^2-x-2, 6x^2-7x+2, 12x^2-5x-2]|=0.

Solve : |(x^(2)-1,x^(2)+2x+1,2x^(2)+3x+1),(2x^(2)+x-1,2x^(2)+5x-3,4x^(2)+4x-3),(6x^(2)-x-2,6x^(2)-7x+2,12x^(2)-5x-2)| =0

Solve :x=(1)/(2-(1)/(2-(1)/(2-x)))

Solve: ,x^(2)-1,x^(2)+2x+1,2x^(2)+3x+12x^(2)+x-1,2x^(2)+5x-3,2x^(2)+4x-36x^(2)-x-2,6x^(2)-7x+2,12x^(2)-5x-2]|=0

Solve: 3(x-1) - (x-2) = x + 2(x-1)

Solve : (2x^2 - 3x+1) (2x^2 + 5x + 1) = 9x^2 .

Solve : 1/(x - 2) + 2/(x - 1) = 6/x