wolfix135 wolfix135

15-05-2020
Mathematics

contestada

Factorise the polynomial x^3 - 5x^2 +2x +8, (x-4) is a factor.

Pllsss i need help ASAP! T^T

Respuesta :

ronhagrid310 ronhagrid310

15-05-2020

Answer:

x^3 - 5x^2 + 2x + 8

= (x^3 - 4x^2) - (x^2 - 4x) - (2x - 8)

= x^2(x - 4) - x(x - 4) - 2(x - 4)

= (x^2 - x - 2)(x - 4)

= [x(x - 2) + (x - 2)](x - 4)

= (x - 2)(x + 1)(x - 4)

Hope this helps!

:)

Answer Link

Otras preguntas

Complete the following conversation between Fernando and Rosita using the appropriate forms of the verbs saber and and conocer.

CAN SOMEONE PLEASE HELP

Find the vertex of this parabola: y = -x2 + 6x – 15

solve step by step 1/x-1+1/y-2=1 3/x-1+5/y-2=4

Help: 8. Multiply the following: a. (x^3)(x^2) = b.(x^7)(x^10) = c. (3s^4)(-6s^5) = d. (-20x)(3x) =

When purchasing a security program, you must make sure that _____. Select 2 options. it can be implemented quickly it can be easily adopted it hinders operation

Read the excerpt. At the beginning of the mission, since our priority was to identify the origin of the alien’s signal. What is the most accurate way to describ

Please help .!!!!!!!!!!!!!!!

Square ABCD has vertices at A (1, 2) and B (3, -3). What is the slope of segment BC?

suppose that a movie rental company supervid charges a $30 subscription fee and $1.5 per movie. lets say that another company megawatch charges $100 subscriptio