Question

10z^2 -2z-2 10z 2 −2z−2

Answer 1

z =(2-√-116)/-20=1/-10+i/10√ 29 = -0.1000-0.5385i

z =(2+√-116)/-20=1/-10-i/10√ 29 = -0.1000+0.5385i

Explanation:

Answer 2

just drop out. i’m sorry they are teaching you this