Question

Find the zeroes of the quadratic polynomial x2+4x+4​

Answer 1

x2+4x+4

x2+2x+2x+4

x(x+2) +2(x+2)

(x+2) (x+2)

x=-2 or -2.

Hence, alpha=-2;beta=-2.

Hope it helps you a lot, dear friend. ☺☺

Answer 2

Therefore the zeros of the polynomial is (x+2) and (x+2).