2x^3-11x^2-4x=0

Simple and best practice solution for 2x^3-11x^2-4x=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 2x^3-11x^2-4x=0 equation:


Simplifying
2x3 + -11x2 + -4x = 0

Reorder the terms:
-4x + -11x2 + 2x3 = 0

Solving
-4x + -11x2 + 2x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-4 + -11x + 2x2) = 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 '(-4 + -11x + 2x2)' equal to zero and attempt to solve: Simplifying -4 + -11x + 2x2 = 0 Solving -4 + -11x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -2 + -5.5x + x2 = 0 Move the constant term to the right: Add '2' to each side of the equation. -2 + -5.5x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -5.5x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5.5x + x2 = 0 + 2 -5.5x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -5.5x + x2 = 2 The x term is -5.5x. Take half its coefficient (-2.75). Square it (7.5625) and add it to both sides. Add '7.5625' to each side of the equation. -5.5x + 7.5625 + x2 = 2 + 7.5625 Reorder the terms: 7.5625 + -5.5x + x2 = 2 + 7.5625 Combine like terms: 2 + 7.5625 = 9.5625 7.5625 + -5.5x + x2 = 9.5625 Factor a perfect square on the left side: (x + -2.75)(x + -2.75) = 9.5625 Calculate the square root of the right side: 3.092329219 Break this problem into two subproblems by setting (x + -2.75) equal to 3.092329219 and -3.092329219.

Subproblem 1

x + -2.75 = 3.092329219 Simplifying x + -2.75 = 3.092329219 Reorder the terms: -2.75 + x = 3.092329219 Solving -2.75 + x = 3.092329219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = 3.092329219 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = 3.092329219 + 2.75 x = 3.092329219 + 2.75 Combine like terms: 3.092329219 + 2.75 = 5.842329219 x = 5.842329219 Simplifying x = 5.842329219

Subproblem 2

x + -2.75 = -3.092329219 Simplifying x + -2.75 = -3.092329219 Reorder the terms: -2.75 + x = -3.092329219 Solving -2.75 + x = -3.092329219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = -3.092329219 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = -3.092329219 + 2.75 x = -3.092329219 + 2.75 Combine like terms: -3.092329219 + 2.75 = -0.342329219 x = -0.342329219 Simplifying x = -0.342329219

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.842329219, -0.342329219}

Solution

x = {0, 5.842329219, -0.342329219}

See similar equations:

| 3.5x=5.8 | | Tn=10n-4 | | 7-2(2x+1)=x-5 | | 2.50/0.5 | | 30=5(r/5-3 | | Y=4+4(8) | | (5/3x)^2-(13/3x)-2=0 | | 0.5/2.50 | | (9x-9)+4=76 | | (10a-8)=78 | | 3x/32=3/2x | | 10y-24=y | | y^2+8y+4x=-18-x^2 | | 5y-13=97 | | X+4y-2z=5 | | 3aby=6ab | | X^4-3x+3x+3x^4= | | 62=14x | | 36+16x+x^2=0 | | -4(t-2)+8t=6t-5 | | x+(x*.25)=40 | | (b+c)x=bc | | x/-3-11=-20 | | 50x^2+30x+9=0 | | cdx=cd | | 16x-12y=40 | | x^2=bx+36 | | x/-3-11=120 | | 2x^2-52x=5x^2-4x-36 | | 4f-2=3f+1 | | H/-3-7=4 | | 4x^4+8x^2+1=0 |

Equations solver categories