Find all roots of x2+2x−8x^2 + 2x - 8x2+2x−8.
x=2x = 2x=2 and x=−4x = -4x=−4
x=−2x = -2x=−2 and x=4x = 4x=4
x=1x = 1x=1 and x=−8x = -8x=−8
x=4x = 4x=4 and x=2x = 2x=2