Find the roots of x2+4x+4=0x^2 + 4x + 4 = 0x2+4x+4=0.
x=2x = 2x=2 (double root)
x=−2x = -2x=−2 (double root)
x=−1,−4x = -1, -4x=−1,−4
x=−4,0x = -4, 0x=−4,0