1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Deffense [45]
3 years ago
14

Solve by completing the square:X^2+6x-12=0

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
5 0
X² + 6x  -12 = 0
x = <u>-(6) +/- √((6)² - 4(1)(-12))</u>
                     2(1)
x = <u>-6 +/- √(36 + 48)</u>
                   2
x = <u>-6 +/- √(84)
</u>              2<u>
</u>x = <u>-6 +/- 2√(21)
</u>               2<u>
</u>x = -3 <u>+</u> √(21)
x = -3 + √(21)      x = -3 - √(21)
You might be interested in
Need help quick not many points cause I'm low on them will make it brainlies answer if right
adoni [48]
I think the answer is B.
7 0
3 years ago
Use the drop-down menus to label the graph according to its type.
anastassius [24]

Answer:

relation ( but not a function)

Step-by-step explanation:

3 0
3 years ago
Subtract.
Yakvenalex [24]
1345 - (-853) = D) 2198.

Simplify your brackets to get: 1345 + 853 and then add which will get you your answer, 2198.

8 0
3 years ago
Read 2 more answers
HELP PLS ‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎ ‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎
VikaD [51]

Answer:

with what 0-0 are youy okay?

Step-by-step explanation:

8 0
2 years ago
I need a answer to equation -2x=8
valkas [14]

Answer:

x = -4

Step-by-step explanation:

Divide both sides by -2.

x= - 8/2

Simplify - 8/2 to -4.

4 0
3 years ago
Other questions:
  • Como se llama estos signos &lt; y &gt;
    12·1 answer
  • Do you guys know how to do this problem I’m stuck school just Started and I can’t remember how to do this
    10·1 answer
  • Give. b(x) = |x + 4| what is b(-10)
    6·2 answers
  • A local art studio offers a new session of drawing classes every 12 days. A competing art studio offers a new session of drawing
    5·1 answer
  • A tailor is adding lace edging to 9 gowns. She needs 50 feet of lace for each gown. At the fabric store, lace is sold by the yar
    14·1 answer
  • A balloon is floating above a lake and a sunken canoe is below the surface of the lake. The balloon's vertical position is 12 me
    8·1 answer
  • 1 Which expression is equivalent to ​
    7·1 answer
  • The sum of two numbers is 58. The smaller number is 20 less than the larger number. What are the numbers?
    14·2 answers
  • Can someone help please, please no dirty links you will be reported.
    5·1 answer
  • Hiii please help :)))
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!