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 is the area of the quadrilateral shown below?
pls help with this, I don't understand at all
inform State two advantages, of oral tradition as a source o information in history and government. (2 marks) ​
a) will Fill in the blanks by choosing the appropriate option 5 We a) 6 ten kilometers or so when the car broke down. c) Was gone Look at the newspaper headline
Give a brief description of strain theory.
Three ways in which self-esteem improves performance in school subjects ​
THE HALF OF 38 HOW MANY IS IT
The quotient of a number divided by 4 is 32.WhatWhat is the number
Find the value of x. Round your answer to the nearest tenth: 37 6 x
sometimes conflict in a relationship can be healthy to justify the statement​