7002546 7002546

16-08-2018
Mathematics

contestada

Solve the equation without the use of a calculator. please Help!!! Thank you!!!
12x^3-30x=8-2x^2

Respuesta :

csxlspdhisa csxlspdhisa

18-08-2018

12x^3 +2x^2-30x = 8
2x( 6x^2 +x -15) = 8
so 2x= 8, x=4
(2x) ( 2x-3) ( 3x+5) = 8
2x-3 = 8
2x= 11
x= 5.5
3x+5=8
3x= 3
x=1

Answer Link

Otras preguntas

(x-2)^2, how do i do this, I'm confused and need help

COME ON BRAINLY GIVE US BACK OUR STUFF

how does the author structure the text to engage the reader northeast natives answer

Urgently!! I have test tomorrow!! I Need To Know!! List the 3 parts of the cell theory.

What is the force in this

he offense can gain the 10 yards by running, or passing the ball, or by a ________________ assessed against the opposition

Differentiate between velocity, acceleration, and deceleration. (This is for my cyber physical education, i don't have physics yet but i couldn't find phys ed i

2 problems faced by the German government during the first world war

What major principles of government are discussed in the federalist debate?

In the figure, CA and CE are opposite rays, CH bisects ZGCD, and GC bisects LBGD. G F A B Which angle is congruent to ZGFH? OA) ZDFC OB) ZDGB Oc) ZGBA OD) ZGFC