x^3-6x^2-15x=0

Simple and best practice solution for x^3-6x^2-15x=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^3-6x^2-15x=0 equation:


Simplifying
x3 + -6x2 + -15x = 0

Reorder the terms:
-15x + -6x2 + x3 = 0

Solving
-15x + -6x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-15 + -6x + x2) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(-15 + -6x + x2)' equal to zero and attempt to solve: Simplifying -15 + -6x + x2 = 0 Solving -15 + -6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '15' to each side of the equation. -15 + -6x + 15 + x2 = 0 + 15 Reorder the terms: -15 + 15 + -6x + x2 = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -6x + x2 = 0 + 15 -6x + x2 = 0 + 15 Combine like terms: 0 + 15 = 15 -6x + x2 = 15 The x term is -6x. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x + 9 + x2 = 15 + 9 Reorder the terms: 9 + -6x + x2 = 15 + 9 Combine like terms: 15 + 9 = 24 9 + -6x + x2 = 24 Factor a perfect square on the left side: (x + -3)(x + -3) = 24 Calculate the square root of the right side: 4.898979486 Break this problem into two subproblems by setting (x + -3) equal to 4.898979486 and -4.898979486.

Subproblem 1

x + -3 = 4.898979486 Simplifying x + -3 = 4.898979486 Reorder the terms: -3 + x = 4.898979486 Solving -3 + x = 4.898979486 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 4.898979486 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.898979486 + 3 x = 4.898979486 + 3 Combine like terms: 4.898979486 + 3 = 7.898979486 x = 7.898979486 Simplifying x = 7.898979486

Subproblem 2

x + -3 = -4.898979486 Simplifying x + -3 = -4.898979486 Reorder the terms: -3 + x = -4.898979486 Solving -3 + x = -4.898979486 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -4.898979486 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.898979486 + 3 x = -4.898979486 + 3 Combine like terms: -4.898979486 + 3 = -1.898979486 x = -1.898979486 Simplifying x = -1.898979486

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.898979486, -1.898979486}

Solution

x = {0, 7.898979486, -1.898979486}

See similar equations:

| xsquared-6x=27 | | -18-9d=7(8d+4) | | 2-y/12=15 | | y=2cos(3x)+3sin(3x) | | -25=-4+8(f+7) | | (5x)=(x+15) | | 2+5h=32 | | x^4+28x^2+75=0 | | 120=-16t^2+85t | | (x+5)=(2x-3) | | 5(-5)+-3=-23 | | 22=-5(6z-9) | | (2u^2)(7w^9u^2)(3w)=0 | | 5(c-3)=2x+6 | | (6x+10)=(7x+8) | | 5(-3)+-4=23 | | x=2x-5-(-3x-8) | | 2010x[20+4]= | | 5x-2x+2=14 | | x^3+y^3+z^3=27 | | m+5=2 | | (x+5)=(7x+3) | | 120-20*5+1= | | 5e^3x=30 | | (7x-3)=(x+5) | | 96-6x=7x | | 2xsquared+14x-36=0 | | 5+2x=22 | | 4xy+3x(2+5y)-7xy= | | 70/168 | | 4x+2y+z=0 | | 3x-11/7x-14 |

Equations solver categories