scraftyguts scraftyguts
  • 11-05-2018
  • Mathematics
contestada

Solve the equation by factoring. z2 − 6z − 27 = 0

Respuesta :

McChuck
McChuck McChuck
  • 11-05-2018
The answer is x= 9 and -3

You must fine 2 number that multiply to equal -27 and add to equal -6

(x-9) (x+3)
Then equal the parts of the binomial to zero

x - 9 = 0
x + 3 = 0

You must get x by its self.
When you do so, you'll have the answer as -3 and 9
Answer Link

Otras preguntas

Electromagnetic Wave PenetrationRadio waves and mircowaves are used in therapy to provide "deep heating" of tissue because the waves penetrate beneth the surfac
The terminal point of 0 is (|3/2, 1/2). What is 0 if 0 <\ 0 < 360? A. 60 B. 30 C. 45 D. 15
write the present tense pls help pls​
Using the information from this lesson and your own Internet research, write at least one paragraph in your own words explaining which region was home to the ec
A calorimeter measures the Choose... involved in reactions or other processes by measuring the Choose... of the materials Choose... the process. The calo
...............................................
Anybody know? Because I don’t
A gas tank is known to have a thickness of 0.5 inches and an internal pressure of 2.2 ksi. Assuming that the maximum allowable shear stress in the tank wall is
The US economy is struggling and you can no longer buy the same amount of things with $20 as you could a year ago. This is an example of
PlEaSe HeLp MeEeEeEeEeE