3x^4-6x^2-2=0

Simple and best practice solution for 3x^4-6x^2-2=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 3x^4-6x^2-2=0 equation:


Simplifying
3x4 + -6x2 + -2 = 0

Reorder the terms:
-2 + -6x2 + 3x4 = 0

Solving
-2 + -6x2 + 3x4 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
-0.6666666667 + -2x2 + x4 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + -2x2 + 0.6666666667 + x4 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + -2x2 + x4 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + -2x2 + x4 = 0 + 0.6666666667
-2x2 + x4 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
-2x2 + x4 = 0.6666666667

The x term is -2x2.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x2 + 1 + x4 = 0.6666666667 + 1

Reorder the terms:
1 + -2x2 + x4 = 0.6666666667 + 1

Combine like terms: 0.6666666667 + 1 = 1.6666666667
1 + -2x2 + x4 = 1.6666666667

Factor a perfect square on the left side:
(x2 + -1)(x2 + -1) = 1.6666666667

Calculate the square root of the right side: 1.290994449

Break this problem into two subproblems by setting 
(x2 + -1) equal to 1.290994449 and -1.290994449.

Subproblem 1

x2 + -1 = 1.290994449 Simplifying x2 + -1 = 1.290994449 Reorder the terms: -1 + x2 = 1.290994449 Solving -1 + x2 = 1.290994449 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 + x2 = 1.290994449 + 1 Combine like terms: -1 + 1 = 0 0 + x2 = 1.290994449 + 1 x2 = 1.290994449 + 1 Combine like terms: 1.290994449 + 1 = 2.290994449 x2 = 2.290994449 Simplifying x2 = 2.290994449 Take the square root of each side: x = {-1.513603135, 1.513603135}

Subproblem 2

x2 + -1 = -1.290994449 Simplifying x2 + -1 = -1.290994449 Reorder the terms: -1 + x2 = -1.290994449 Solving -1 + x2 = -1.290994449 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 + x2 = -1.290994449 + 1 Combine like terms: -1 + 1 = 0 0 + x2 = -1.290994449 + 1 x2 = -1.290994449 + 1 Combine like terms: -1.290994449 + 1 = -0.290994449 x2 = -0.290994449 Simplifying x2 = -0.290994449 Reorder the terms: 0.290994449 + x2 = -0.290994449 + 0.290994449 Combine like terms: -0.290994449 + 0.290994449 = 0.000000000 0.290994449 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 4(x-8)=2x | | 2(3n-8)4n=10 | | y/4=-7 | | 4t+7-t=9 | | 17x-4=0 | | 2x-6=5x-18 | | 0.60(z-300)+0.05x=0.70z-205 | | -10=10(k+-9) | | x-79=60 | | (4q-5r+7p)-(7r-2q+3p)= | | (x^2-2x+4)+(2x+1)-(x^2+5)= | | 6x^2+13x+5= | | -45y-58=y-49 | | n^2-13n+36=0 | | 5y=2x-4 | | 20x^3+13x^2+2x= | | -89y-10=y-53 | | 2x+5+2x=13 | | 2x+90=30x-10 | | (2a^2+6a+14)+(-4a^2+3a-9)= | | 1+3(x-2)=4 | | 3b^2-8b+5= | | .66x-5=10 | | x^2+y^2=10x-6y-34 | | 2+4(3x-5)=9-5(2x+1) | | (2x+5)+(6x-15)=46 | | 7x+12=-10x-12 | | 0.67+0.3-3=0.67 | | 8x+9=7x | | 7x+3-(x+5)= | | -15x+44+x^2= | | 5(x+3)-9=3x+2(4+x) |

Equations solver categories