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

Which of newtons laws helps explain the orbit of a space shuttle around Earth and the orbit of Earth and the sun? please answer asap! :)

What was the goal of Congress when it passed the Sherman Antitrust Act to break up corporate trusts? to remove government regulation from businesses to return p

describe two different ways that a pollen grain can get to the stigma of a pistil ?

Evaluate the function Find f(4) when f(x) = X to the second power -4+5

Who was MOST responsible for protecting the land along the Atlantic seaboard that had been claimed by earlier explorers? General Washington Second Continental C

What is the modern name of Aegyptus

Solve each linear system. Verify each solution by substituting the coordinates of your solution into both equations. x-y=8 and x+2y=2

The perimeter of a triangle is given by the formula P = a + b + c. Solved for b, this formula becomes b = A) P + a + c B) P - a - c C) P + a - c D) P - a

what is the percent of increase from 50 to 90

can your body make antibodies for pathogens you never been in contact with why or why not\