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

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


Simplifying
x4 + 2x3 + -1x2 = 0

Reorder the terms:
-1x2 + 2x3 + x4 = 0

Solving
-1x2 + 2x3 + x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(-1 + 2x + x2) = 0

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(-1 + 2x + x2)' equal to zero and attempt to solve: Simplifying -1 + 2x + x2 = 0 Solving -1 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '1' to each side of the equation. -1 + 2x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 2x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 2x + x2 = 0 + 1 2x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 2x + x2 = 1 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 1 + 1 Reorder the terms: 1 + 2x + x2 = 1 + 1 Combine like terms: 1 + 1 = 2 1 + 2x + x2 = 2 Factor a perfect square on the left side: (x + 1)(x + 1) = 2 Calculate the square root of the right side: 1.414213562 Break this problem into two subproblems by setting (x + 1) equal to 1.414213562 and -1.414213562.

Subproblem 1

x + 1 = 1.414213562 Simplifying x + 1 = 1.414213562 Reorder the terms: 1 + x = 1.414213562 Solving 1 + x = 1.414213562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 1.414213562 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.414213562 + -1 x = 1.414213562 + -1 Combine like terms: 1.414213562 + -1 = 0.414213562 x = 0.414213562 Simplifying x = 0.414213562

Subproblem 2

x + 1 = -1.414213562 Simplifying x + 1 = -1.414213562 Reorder the terms: 1 + x = -1.414213562 Solving 1 + x = -1.414213562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -1.414213562 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.414213562 + -1 x = -1.414213562 + -1 Combine like terms: -1.414213562 + -1 = -2.414213562 x = -2.414213562 Simplifying x = -2.414213562

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.414213562, -2.414213562}

Solution

x = {0, 0.414213562, -2.414213562}

See similar equations:

| -29+x=41 | | 36b-4b= | | 3.5=a(7.1-h)(7.1-h)+3.5 | | 22.2+2x=98 | | 210x+1240y=9100 | | 74+20=450+20x | | 3.2r+14.7=-6.47 | | 3.5=a(7.1-h)2+3.5 | | 74+20*x=450+20x | | 37=-3+5(5x+6) | | m+5(5-1)=7 | | 7x+4+7x+2+2=120 | | 12x+3.35=8.75 | | f(x)=2x^2-16x+67 | | 35c+10c= | | 8.5y-8= | | -12=-4+x | | 28+4m=-7(m+7) | | 190x+.15x=298 | | 8-v=25 | | 2(x+1)+3(x-1)=4x | | x^2+9x-0=0 | | -65-4x=31-12x | | 6a(4-3)= | | 8(4-a)=5.6 | | y+5x=298 | | x^2+0x=0 | | 6m-1=2m+6 | | x+5y=20.5 | | 5k+3-3k=-6k | | 75-9t=6(-4+2t) | | x^2-0x-9=0 |

Equations solver categories