X^3-5x^2-15x+80=0

Simple and best practice solution for X^3-5x^2-15x+80=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 X^3-5x^2-15x+80=0 equation:


Simplifying
X3 + -5x2 + -15x + 80 = 0

Reorder the terms:
80 + X3 + -15x + -5x2 = 0

Solving
80 + X3 + -15x + -5x2 = 0

Solving for variable 'X'.

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

Add '-80' to each side of the equation.
80 + X3 + -15x + -80 + -5x2 = 0 + -80

Reorder the terms:
80 + -80 + X3 + -15x + -5x2 = 0 + -80

Combine like terms: 80 + -80 = 0
0 + X3 + -15x + -5x2 = 0 + -80
X3 + -15x + -5x2 = 0 + -80

Combine like terms: 0 + -80 = -80
X3 + -15x + -5x2 = -80

Add '15x' to each side of the equation.
X3 + -15x + 15x + -5x2 = -80 + 15x

Combine like terms: -15x + 15x = 0
X3 + 0 + -5x2 = -80 + 15x
X3 + -5x2 = -80 + 15x

Add '5x2' to each side of the equation.
X3 + -5x2 + 5x2 = -80 + 15x + 5x2

Combine like terms: -5x2 + 5x2 = 0
X3 + 0 = -80 + 15x + 5x2
X3 = -80 + 15x + 5x2

Simplifying
X3 = -80 + 15x + 5x2

Reorder the terms:
80 + X3 + -15x + -5x2 = -80 + 15x + 5x2 + 80 + -15x + -5x2

Reorder the terms:
80 + X3 + -15x + -5x2 = -80 + 80 + 15x + -15x + 5x2 + -5x2

Combine like terms: -80 + 80 = 0
80 + X3 + -15x + -5x2 = 0 + 15x + -15x + 5x2 + -5x2
80 + X3 + -15x + -5x2 = 15x + -15x + 5x2 + -5x2

Combine like terms: 15x + -15x = 0
80 + X3 + -15x + -5x2 = 0 + 5x2 + -5x2
80 + X3 + -15x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
80 + X3 + -15x + -5x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5.07km=m | | (2)/(5xy)-(y)/(9x) | | 16=7+3p | | 2m+4=6 | | 0.333X=40000 | | (21m-17k+8s)+(-12m-5k-9s)= | | 5x-123=12x+11 | | x^3+kx+2k+15=0 | | X^2-10x+25+x^2+4x+4=4x^2-28x+49 | | ln(x^2)=1 | | 6(m-4)=3(m+2) | | 20x=x-100 | | 2/7p=-4 | | 80-40x=36 | | -3/5m=-15 | | 1/16m=-17 | | 2x^2-34x+20=0 | | g-2/3g=17/20 | | -18m=-54 | | -12m=-132 | | 8m=128 | | 14m=-42 | | x+(x*.07)=742.69 | | x(x*.07)=742.69 | | .15(x)=360 | | 8m=-36 | | -4m=-16 | | 184/2x=4 | | 2xa+5=3a-1 | | f(x)=2*x^2-3*x-9 | | 4x-1+8x-6= | | Lg(x)=0 |

Equations solver categories