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

What's 5 divided by x squared explain
find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4
What were the contributions of the Harappan civilization?
What's 5 divided by x squared explain
What's 5 divided by x squared explain
The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.
Factor the expression. If the expression cannot be factored, say so.
What were the contributions of the Harappan civilization?
A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l
A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l