120y^3-42y^2-36y=0

Simple and best practice solution for 120y^3-42y^2-36y=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 120y^3-42y^2-36y=0 equation:


Simplifying
120y3 + -42y2 + -36y = 0

Reorder the terms:
-36y + -42y2 + 120y3 = 0

Solving
-36y + -42y2 + 120y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '6y'.
6y(-6 + -7y + 20y2) = 0

Factor a trinomial.
6y((-2 + -5y)(3 + -4y)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(-2 + -5y)' equal to zero and attempt to solve: Simplifying -2 + -5y = 0 Solving -2 + -5y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -5y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5y = 0 + 2 -5y = 0 + 2 Combine like terms: 0 + 2 = 2 -5y = 2 Divide each side by '-5'. y = -0.4 Simplifying y = -0.4

Subproblem 3

Set the factor '(3 + -4y)' equal to zero and attempt to solve: Simplifying 3 + -4y = 0 Solving 3 + -4y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4y = 0 + -3 -4y = 0 + -3 Combine like terms: 0 + -3 = -3 -4y = -3 Divide each side by '-4'. y = 0.75 Simplifying y = 0.75

Solution

y = {0, -0.4, 0.75}

See similar equations:

| 25*10= | | 2x+20=2+35 | | 98-2a^2=0 | | -3(2x+2)=10 | | 3.2r(3.2+6.8)=2.5(2r+4) | | (-3y-1/8)(3x7/8y1/16)(4^-4y) | | -0.9x+4.35=-0.7x+6.95 | | 1/2u=28/5 | | y=50+40x | | 88+4y=8 | | =ln(5x+2)-lnx | | 14x+9=51 | | 6x+12=69 | | 8(n+6)=2(24+4) | | 6(y-2)=3y+6 | | 13x+9=16x-9 | | 2(3z-1)=34 | | -11+-10x+x^2=0 | | 2c+6+3c=2(2c+2) | | 8y+9-4y=3+3y-4 | | x^2-20x-12=0 | | 15-12/3= | | 13x+3=-7x+43 | | -3+4x=-11 | | f(x)=x^3+6x-7 | | 36=4m-8 | | 4m=-3m+112 | | -2+5=x | | 12x+42=90 | | 5(b-3)=4b | | -x+2=-27 | | 6.50p-1.75=33.25 |

Equations solver categories