Question

z2+16=-8z formula general

Answer 1

z^2+8z+16=0

-b+-/b2-4ac
x = -----------------
2a

-8+-/64-4(1)(16)
x = -----------------------
2 (1)

-8+0 -8-0
x1 = -------- x2 = --------
2 2

x1 = -4 x2 = -4