sbutcher19
sbutcher19
31-03-2016
Mathematics
contestada
solve by factoring by grouping 5k^2-2k-7=9
Respuesta :
Exvited
Exvited
31-03-2016
[tex]5k^2-2k-7=9 \\ \\ 5k^2 - 2k - 7 - 9 = 0 \\ \\ 5k^2 - 2k - 16 = 0 \\ \\ 5k^2 + 8k - 10k - 16 = 0 \\ \\ k(5k + 8) - 2(5k + 8) = 0 \\ \\ (5k + 8)(k - 2) = 0 \\ \\ k = - \frac{8}{5} , 2 \\ \\ [/tex]
The final result is:
k = -8/5, 2
.
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
HELP PLEASEE!! True or False. The POP is a bank of switches that allows many users to connect to the ISP at the same time.
In a family that is parented by a happily married couple, people are able to express themselves more freely. Which of the following is a relevant reason to supp
Why is simple machine important ?...
Why do chemist prefer to use kipp’s apparatus for the production of hydrogen sulphide instead of woulf’s bottle??
What does the punishment for “speaking false witness” tell you about the Romans? Legal code: Whoever is convicted of speaking false witness will be flung from t
1.) ____ N2 + ____ H2 --------->___NH3 2.) ____ AlBr3 + ____ K2SO4 --------------> _____KBr + ____ Al2(SO4)3
Explain the seasonal effects on the northern and southern hemisphere.
Suppose that an economy consists of only two individuals. Jeremy has $1890 available to spend on goods. He decides to purchase $390 worth of produce from Krista
for activity 4, translate the statement into English and then write the correct conjugation for each verb listed; 14. Ellos muchas legumbres. (comer) 15. Nosot
Decomposers help in A.spreading decay in the environment. B.recycling nutrients back into the environment. C.controlling large populations in the environment. D
