jonellelynn jonellelynn

23-03-2016
Mathematics

contestada

21x^3 + 6x^2 - 28x - 8 factor this expression with work please?

Respuesta :

willofthemaster willofthemaster

23-03-2016

21x^3+6x^2-28x-8
(21x^3+6x^2)-(28X+8)
3x^2(7x+2)-4(7x+2)
3x^2-4=0 and 7x+2=0

Answer Link

Exvited Exvited

23-03-2016

[tex]21x^3 + 6x^2 - 28x - 8 \\ \\ 3x^2 (7x + 2) - 4(7x + 2) \\ \\ (7x + 2)(3x^2 - 4) \\ \\ [/tex]

The final result is: (7x + 2)(3x² - 4).

Answer Link

Otras preguntas

1. Why is the equivalent resistance in a parallel circuit equal to the sum of the reciprocals of the individual resistances, whereas in a series circuit, the eq

This article is from the Centers for Disease Control and Prevention (CDC)’s Ambulatory Care Use and Physician Visits. This source shows data about the percentag

HALP ME PLEASE can someone find the area of this triangular prism

what is the use of yellow card in the game of football

3. It refers to the speed of music.

please answer illgive BRAINLIEST

I think this is a "computer/technology" question... but anyways When was the first computer invented?Alright now that the question part is over with, I want eve

The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $3. There is 1 winning ticket out of the 140 tickets sold. The wi

Pls pls pls help me! I will give brainliest and points! Find the area of each trapezoid or kite.

which trophic level of the energy pyramid does the anchovy belong? A: 1: producer B: 2: Primary consumer C: 3: Secondary consumer D: 4: Tertiary Consumer