Find all roots of x2+7x+12x^2 + 7x + 12x2+7x+12.
x=2x = 2x=2 and x=6x = 6x=6
x=3x = 3x=3 and x=4x = 4x=4
x=−3x = -3x=−3 and x=−4x = -4x=−4
x=−1x = -1x=−1 and x=−12x = -12x=−12