4x^4-8x^3-x^2=0

Simple and best practice solution for 4x^4-8x^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 4x^4-8x^3-x^2=0 equation:


Simplifying
4x4 + -8x3 + -1x2 = 0

Reorder the terms:
-1x2 + -8x3 + 4x4 = 0

Solving
-1x2 + -8x3 + 4x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x2'.
x2(-1 + -8x + 4x2) = 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 + -8x + 4x2)' equal to zero and attempt to solve: Simplifying -1 + -8x + 4x2 = 0 Solving -1 + -8x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -0.25 + -2x + x2 = 0 Move the constant term to the right: Add '0.25' to each side of the equation. -0.25 + -2x + 0.25 + x2 = 0 + 0.25 Reorder the terms: -0.25 + 0.25 + -2x + x2 = 0 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + -2x + x2 = 0 + 0.25 -2x + x2 = 0 + 0.25 Combine like terms: 0 + 0.25 = 0.25 -2x + x2 = 0.25 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 = 0.25 + 1 Reorder the terms: 1 + -2x + x2 = 0.25 + 1 Combine like terms: 0.25 + 1 = 1.25 1 + -2x + x2 = 1.25 Factor a perfect square on the left side: (x + -1)(x + -1) = 1.25 Calculate the square root of the right side: 1.118033989 Break this problem into two subproblems by setting (x + -1) equal to 1.118033989 and -1.118033989.

Subproblem 1

x + -1 = 1.118033989 Simplifying x + -1 = 1.118033989 Reorder the terms: -1 + x = 1.118033989 Solving -1 + x = 1.118033989 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 = 1.118033989 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.118033989 + 1 x = 1.118033989 + 1 Combine like terms: 1.118033989 + 1 = 2.118033989 x = 2.118033989 Simplifying x = 2.118033989

Subproblem 2

x + -1 = -1.118033989 Simplifying x + -1 = -1.118033989 Reorder the terms: -1 + x = -1.118033989 Solving -1 + x = -1.118033989 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 = -1.118033989 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.118033989 + 1 x = -1.118033989 + 1 Combine like terms: -1.118033989 + 1 = -0.118033989 x = -0.118033989 Simplifying x = -0.118033989

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.118033989, -0.118033989}

Solution

x = {0, 2.118033989, -0.118033989}

See similar equations:

| 12+14=t | | 3n+6.4=13 | | 2x+3=7x-9 | | (7-x)(2x+3)=0 | | 5=27-7+2 | | 2(-7+4r)= | | 2cos^2x-3x+1=0 | | -10=13x-16/12 | | 3(-7+2q)= | | 1+4x=7x-x+3 | | -2(4z+2)=3(-2z+2) | | 5x=46-16 | | 4(3+a)=23 | | 3(-4m)= | | (2+c)+-6= | | -6k-6+7=-5 | | 0=x^2+5x-414 | | -5x-4(4x+18)=180 | | 15*1+1150=y | | 32x+4+20+4+6x=180 | | 4x-(8x+13)=2-(9x-8) | | 3x^3+8x-16=0 | | (w+-7)+-9= | | 3y=2y-8 | | 6x-8-4=6 | | 75/5y=-3 | | 4b-8b+6=-3b+18-7b | | 3.1x-7.7=10.9 | | 33=(x-2) | | 6.5x-2.9=29.6 | | 2(-2z+3)=3(5z+2) | | 3+17t-1=9t+17-7t |

Equations solver categories