Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

z^2+8z-14=0

OpenStudy (smurfy14):

\[z= -4 \pm \sqrt{30}\]

OpenStudy (anonymous):

You could complete the square. z^2+8z-14=0 add 14 to both sides z^2+8z =14 complete the square (z+4)^2 = 14+16 (z+4)^2 = 30 square root both sides z+4 = +-sqrt 30 subtract 4 from both sides z = -4 +-sqrt 30

Can't find your answer?
Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!

Latest Questions

ASP:
Ethanol reacts with phosphorus trichloride to yield chloroethane and phosphorous acid according to the following balanced chemical equation: 3 C2H5OH + PCl3

32 minutes ago
0 Replies
0 Medals

shordyyybeen1k:
Which of these Earth events was dated using the most valid and reliable source of information? millipede appears land mammals appear rodents appear insects

3 hours ago
0 Replies
0 Medals

mikewwe13:
"Too Shy To Say" You make me smile You make me sing You make me feel good everything You bring me up When I've been down This only happens when you're aroun

4 hours ago
0 Replies
0 Medals

jameswang233:
Question 11: Scientific Themes (6 points) a. What does matter have to do with chemistry? How are forces involved?(1 point) b.

4 hours ago
0 Replies
0 Medals

kkcoolgurl:
Writing Prompt: Click below to re-read the letter to the editor, u201cI, Too, Have a Dreamu201d (found in 2.

6 hours ago
0 Replies
0 Medals

school1600:
Read the following article excerpt about the John Brown trial of 1859 and answer the question.

9 hours ago
0 Replies
0 Medals

Badsis1224:
In at least 150 words, discuss how Emerson portrays John Brown as a kind of "everyman" in his speech and what effect it has.

18 hours ago
0 Replies
0 Medals

Katy:
A spring is compressed, resulting in its displacement to the right. What happens to the spring when it is released? The spring exerts a restoring force to t

22 hours ago
0 Replies
0 Medals

mikewwe13:
Visions People hand in hand Have I lived to see the milk and honey land? Where hate's a dream and love forever stands Or is this a vision in my mind? The la

4 hours ago
3 Replies
1 Medal