klmc2468
klmc2468
28-04-2015
Mathematics
Answered
[tex] x^{2} +16x=-28[/tex]
Answer :
Panoyin
Panoyin
28-04-2015
x² + 16x = -28
x² + 16x + 28 = 0
x =
-(16) +/- √((16)² - 4(1)(28))
2(1)
x =
-16 +/- √(256 - 112)
2
x =
-16 +/- √(144)
2
x =
-16 +/- 12
2
x = -8
+
6
x = -8 + 6 x = -8 - 6
x = -2 x = -14
Answer Link
VIEW ALL ANSWERS ( 73+ )
Other Questions
Why do you think species remain in a stage of stasis?
I run for my life. What does this sentence mean? How to understand "for my life"? What scenario is it?
Jambalaya is a Cajun dish made from chicken, sausage, and rice. Simone is making a large pot of jambalaya for a party. Chicken costs $6 per pound, sausage costs
Which one of the following passages best suggests an indirect cause?A. Because the cold front arrived, it snowed.B. If you mix pleasure and business, business s
4a² - 25? little help? Can you show me the steps to gets the answer? Thanks!
Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
Which one of the following passages best suggests an indirect cause?A. Because the cold front arrived, it snowed.B. If you mix pleasure and business, business s
x^2 + 3x - 18 = 0 Solve using the quadratic formula
Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.
What is the difference between rational and irrational numbers? And we believe whole numbers are 0 and any number after it to the positive side. What are the