X - 3 = 3 - x2(2 + x) - (6 - 7x) = 13x - (1 + 4x)(x - 1) - (1 - x) = 2(x - 1) - 4(1 - x)x + 1 - 7x + 1 = - 2x + 1 + 7x - x = x - 8ayudemeeeeeeeeeeeeeee lo necito urgente?
X - 3 = 3 - x 2(2 + x) - (6 - 7x) = 13x - (1 + 4x) (x - 1) - (1 - x) = 2(x - 1) - 4(1 - x) x + 1 - 7x + 1 = - 2x + 1 + 7x - x = x - 8 ayudemeeeeeeeeeeeeeee lo necito urgente.