-4x^4-12x^2+72=0

Simple and best practice solution for -4x^4-12x^2+72=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^4-12x^2+72=0 equation:


Simplifying
-4x4 + -12x2 + 72 = 0

Reorder the terms:
72 + -12x2 + -4x4 = 0

Solving
72 + -12x2 + -4x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(18 + -3x2 + -1x4) = 0

Factor a trinomial.
4((3 + -1x2)(6 + x2)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(3 + -1x2)' equal to zero and attempt to solve: Simplifying 3 + -1x2 = 0 Solving 3 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x2 = 0 + -3 -1x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1x2 = -3 Divide each side by '-1'. x2 = 3 Simplifying x2 = 3 Take the square root of each side: x = {-1.732050808, 1.732050808}

Subproblem 2

Set the factor '(6 + x2)' equal to zero and attempt to solve: Simplifying 6 + x2 = 0 Solving 6 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x2 = 0 + -6 x2 = 0 + -6 Combine like terms: 0 + -6 = -6 x2 = -6 Simplifying x2 = -6 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

x = {-1.732050808, 1.732050808}

See similar equations:

| 5(2w+3)-4w=8w+27 | | -8=-(m+4) | | 4x-9=2(2x+3) | | -5=-x-1 | | k/-14-8=-7 | | .5r+4=.75r-1.5 | | 6x-9x=18-2(x+3) | | 2x^2-27-108=0 | | -x^4-7x^2-12=0 | | z^4-3iz^2+4=0 | | 8-(-4)+8x-(-9)= | | c+1*2=c | | 10.00h-15.00=95 | | -4x^4+4x^2+21=0 | | x*x+4=16 | | 15-10y=3-4y | | 10.00h+15.00=95 | | -1x+-10+(x+5)=-2x-15 | | c+1/2=c | | -x-10-(x+5)=-2x-15 | | 3(u-3)=4(4+3) | | 5(2x-4)+1=-11 | | -4x+11=-29 | | 13.75x=17 | | o-26/3=4/3 | | -94=(1-6k) | | 8(x+1)+8x+3=16x+80 | | 6a=3(3a-[a+(4a-5)])+5 | | 10.00h-15.00=10 | | A+4.8=1.4 | | -4x^4-20x^2+24=0 | | 2000+25x=4750. |

Equations solver categories