Răspuns:
# x = 1 culoare (indigo) ((6x ^ 2) / (4x + 1) (x-1)
Explicaţie:
# ((6x) / (4x ^ 2xx1)) * (6 / (7x ^ 2 + 8x + 1)
= (6x * x) / ((4x ^ 2-3x-1) * (7x ^ 2 + 8x + 1)
= (6x ^ 2) / ((4x ^ 2 ^ x + x-1)
= (6x2) / ((4x (x-1) + (x-1)) * (7x (x + 1) + (x +
= (6x ^ 2) / (4x + 1) (x-1) (7x + 1) (x + 1)
