Y = (x-1)^2 + 2 - (x+2)^2Y = x^2 - 2x + 1 + 2 - (x^2 + 4x + 4)Y = x^2 - 2x + 1 + 2 - x^2 - 4x - 4Y = -6x - 1
Y = (x-1)^2 + 2 - (x+2)^2
Y = x^2 - 2x + 1 + 2 - (x^2 + 4x + 4)
Y = x^2 - 2x + 1 + 2 - x^2 - 4x - 4
Y = -6x - 1