left x 1 clip search

left x left xt left x 2 left xgp kidney left x-2 right 2 left x-3 right 2 left x 2 +y 2 -1 right 3 x 2 y 3 left x -3 cdot y 3 right -7 left x+2 right + left x-1 right -3x-6 0 left x-3 right + ln left 2 right 3 left x right + left y right + left z right 1