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

Apart from muscle contraction, what other types of activities has your body done that requires energy
Can someone please help me
find the volume of the rectangular prism
g What is the relationship between the moles of the limiting reagent and the change in temperature (i.e. directly proportional or indirectly proportional)
Ponyboy is very concerned with his appearance. What lines from the chapter we read indicate this to you? Also, how are you like Ponyboy in this aspect?
True or False: The smell molecule fits into a nerve cell like a lock and key. true false
Which expression is equivalent to 4f2/3 ÷ 1/4f ?​
Un estudiante debe recorrer dos tercios de kilómetro para llegar al colegio, si avanza medio kilómetro en bus y lo demás a pie ¿Cuánto le falta caminar?
The recursive formula for a geometric sequence
Which does body mass index (BMI) measure?