29-09-2017
Mathematics

contestada

Why is the completely factored form X^4+8x^2-9

Respuesta :

BenjaminG123 BenjaminG123

30-09-2017

Greetings!

This is still factor-able:
[tex]x^4+8x^2-9[/tex]
[tex]x^4+9x^2-x^2-9[/tex]
Factor by grouping.
[tex]x^2(x^2+9)-1(x^2+9)[/tex]
[tex](x^2+9)(x^2-1)[/tex]
Factor by difference in squares.
[tex](x^2+9)(x-1)(x+1)[/tex]

Hope this helps.
-Benjamin

Answer Link

Otras preguntas

The subject of a sentence tells you who or what the sentence is about. a. trueb. false

Which one of the following factors is not an important consideration in deciding whether the outlook for an ecosystem is sustainable? a) Biodiversity b) Popula

The upper and lower fixed points of a faulty mercury thermometer are 210F and 34F respectively. The correct temperature read by the thermometer is __________

Is the driving angular frequency greater than, less than, or equal to the resonant angular frequency of the circuit in situation 3?

sinx + 1=cosx How do you solve for x

Air purifiers, like the one shown below, dramatically reduce the concentration of indoor pollutants. Draw a simple diagram of an air purifier to show how it mig

If the position of a particle is given by x = 3t² - 2t + 20, what is velocity when accelerating is zero: a) 4 m/s b) -4 m/s c) 0 m/s d) -2 m/s

Find the work done by a force F= 6i -8j+9k that moves an object from the point (0.6,6) to the point (4,16,18) along a straight line. The distance is measured in

Change the word equations into formula equations and balance them be sure to use proper symbols to indicate the state of each substance

When discussing the product or service, sometimes the service itself is the actual product. What is an example of this type of situation? A. a massage B.