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

help me for 15p please
What is the volume of the cylinder below?
If humans originated in Africa and migrated to other parts of the world, some time would be required for this to occur. At the modest rate of one kilometer per
The united states consumes 2.5´1019 j of energy each year. a typical solar flare releases 5.0´1024 j of energy. how many years could we run the united states on
The box plot below shows the lifespan, in months, of laptop batteries manufactured by four companies: Based on the data, which company manufactures batteries ha
Which of the following describes an innate animal behavior
Write the numbers from greatest to least 4.33, 5 2/5, 5.8, 4 1/4
For the function ƒ(x) = 3x2 – 7, find the value of ƒ(x) when x = 3.
The equation of a parabola is 116(y+3)2=x+4 . What are the coordinates of the focus? (0, −3) (−8, −3) (−4, −7) (−4, 1)
what's the nearest tenth of 25.12 , 18.84 , 43.84 , 50.24?