1/6x+1/2x3/4x-1/2xx-4/5xУпростите выражение

1/6x + ((1 * 3) / (2x * 4x)) - ((x * x) / (2 * 1) - 4/5x,

1/6x + 3/8x^2 - x^2/2 - 4/5x,

1/6x - 4/5x + 3/8x^2 - x^2/2,

((1 * 5x - 4 * 6x) / (5x * 6x)) + ((3 * 2 - x^2 * 8x^2) / 8x^2 * 2),

(5x - 24x) / 30x^2 + (6 - 8x^4) / 16x^2,

-19x / 30x^2 + 2 (3 - 4x^4) / (2 * 8x^2) = (3 - 4x^4) / 8x^2 - 19x / 30x^2,

(30x^2 (3 - 4x^4) - 19x * 8x^2) / 8x^2 * 30x^2,

2x^2 (45 - 60x^4 - 76x) / 2x^2 * 120x^2,

(45 - 60x^4 - 76x) / 120x^2

Ответ: (45 - 60x^4 - 76x) / 120x^2