Josietrabellll Josietrabellll
  • 03-07-2018
  • Mathematics
contestada

what is the value of the coefficient 2x^3+18x^2-18x-162=2(x+k)(x-k)(x+9)

Respuesta :

frika
frika frika
  • 03-07-2018
The polynomial
[tex]2x^3+18x^2-18x-162=(2x^3+18x^2)-(18x+162)=[/tex]
[tex]=2x^2(x+9)-18(x+9)=2(x+9)(x^2-9)=2(x+9)(x+3)(x-3)[/tex].
Then k=3.

Answer Link

Otras preguntas

Displacement vectors of 4 km north, 2 km south, 5 km north, and 5 km south combine to a total displacement of
In rectangle ABCD, AB=8 units and BC=15 units. Find BD
After the losses in greece why did the persians grow unhappy with the government
I GIVE BRAINLIY 16 8 20= ?
write the point-slope from of the line that passes through the points (-2,1) and (0,1) identify (x1,y1) as (-2,1) use the box provided
A survey determined that 5/18 of the seventh grade students at Mills Middle School preferred round chocolate candies to hard candy. When Jennifer duplicated the
Jackson kitten weighed 2 pounds 3 ounces a month later the kittten weighed 56 ounces. How much weight did the kitten gain in that month
which is greater 145cnetimeter or 1.5m
Helppp plsssss!! AsapThanks
59, 52, 39, 37, 56, 48, 53, 67, 33, 45, 34, 51, What is the percentage of these professors who are younger than 51 ?