Y^3-4y^2-21y=

Simple and best practice solution for Y^3-4y^2-21y= 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^3-4y^2-21y= equation:


Simplifying
Y3 + -4y2 + -21y = 0

Reorder the terms:
Y3 + -21y + -4y2 = 0

Solving
Y3 + -21y + -4y2 = 0

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '21y' to each side of the equation.
Y3 + -21y + 21y + -4y2 = 0 + 21y

Combine like terms: -21y + 21y = 0
Y3 + 0 + -4y2 = 0 + 21y
Y3 + -4y2 = 0 + 21y
Remove the zero:
Y3 + -4y2 = 21y

Add '4y2' to each side of the equation.
Y3 + -4y2 + 4y2 = 21y + 4y2

Combine like terms: -4y2 + 4y2 = 0
Y3 + 0 = 21y + 4y2
Y3 = 21y + 4y2

Simplifying
Y3 = 21y + 4y2

Reorder the terms:
Y3 + -21y + -4y2 = 21y + -21y + 4y2 + -4y2

Combine like terms: 21y + -21y = 0
Y3 + -21y + -4y2 = 0 + 4y2 + -4y2
Y3 + -21y + -4y2 = 4y2 + -4y2

Combine like terms: 4y2 + -4y2 = 0
Y3 + -21y + -4y2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5/4=11/a | | 4/q=6/5 | | 3x^2+15x-72= | | y+5y=54 | | 10/p=8/9 | | 10/3=r/4 | | 5/x=6/5 | | -20+4y=20 | | 6/5=a/9 | | 11/a=6/7 | | 8=x+3/2 | | X=8-2(x+3) | | 5z+9+2z-3=90 | | 4.7x-3.1=8.2+5.1x | | -6(2x-3)+8=74 | | 9/5=y/7 | | 4x-y=z+x | | 10/n=4 | | 5+4y=49 | | x+4y=49 | | 3.9x-2.1x+4.6=15.5 | | 5x-3=8x-5 | | 9x-4=7x-5 | | Y^4-17y^2+72=0 | | c=9p+19n | | -m-6m+4=-2m | | 6*(3x-7)-12-4x=9x*(7x+6) | | c=7p+14n | | 4+1=9t | | -3x^2=48 | | 441x^2-588x+184=0 | | Y=-(2/3)x |

Equations solver categories