y^3-7y^2-8y=0

Simple and best practice solution for y^3-7y^2-8y=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 y^3-7y^2-8y=0 equation:


Simplifying
y3 + -7y2 + -8y = 0

Reorder the terms:
-8y + -7y2 + y3 = 0

Solving
-8y + -7y2 + y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-8 + -7y + y2) = 0

Factor a trinomial.
y((-1 + -1y)(8 + -1y)) = 0

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 '(-1 + -1y)' equal to zero and attempt to solve: Simplifying -1 + -1y = 0 Solving -1 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1y = 0 + 1 -1y = 0 + 1 Combine like terms: 0 + 1 = 1 -1y = 1 Divide each side by '-1'. y = -1 Simplifying y = -1

Subproblem 3

Set the factor '(8 + -1y)' equal to zero and attempt to solve: Simplifying 8 + -1y = 0 Solving 8 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1y = 0 + -8 -1y = 0 + -8 Combine like terms: 0 + -8 = -8 -1y = -8 Divide each side by '-1'. y = 8 Simplifying y = 8

Solution

y = {0, -1, 8}

See similar equations:

| 3x+6-x=10+x+2 | | x^2-15x-126=0 | | -13+20=m-6 | | x(12.5-.32x)=0 | | 15x-5=14x-6 | | 7(3-4)=3 | | 2(x-3)=2x-1 | | 7(4-4)=3 | | -6=4v-6+2v | | 6s^2-10s=2s | | -24+21=m-7 | | 8a^3+40a^2+50a=0 | | 7x-1=31+3x | | -7c+5=-23 | | -5=-6a+1+3a | | 2(x+3)=8+x | | 3-2(2x+3)=0 | | (y+6)/4=(y-8)/7 | | 18=-6a-3a | | y+6/4=y-8/7 | | 12y+18-7y-22=46 | | 4(2x+6)=48+16 | | -9(15y)= | | 4(3x-7)=-7 | | 17x-6+3x-5=x+11+4 | | -8(2)-5y=-1 | | -4-6=5x+3-4x | | 4x+8-3x=10 | | b/5+9=6 | | -9-a/4=5 | | 12x-0.5x=220 | | 2e^1+5=6 |

Equations solver categories