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

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


Simplifying
x4 + 12x2 + 72 = 0

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

Solving
72 + 12x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-72' to each side of the equation.
72 + 12x2 + -72 + x4 = 0 + -72

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

Combine like terms: 72 + -72 = 0
0 + 12x2 + x4 = 0 + -72
12x2 + x4 = 0 + -72

Combine like terms: 0 + -72 = -72
12x2 + x4 = -72

The x term is 12x2.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x2 + 36 + x4 = -72 + 36

Reorder the terms:
36 + 12x2 + x4 = -72 + 36

Combine like terms: -72 + 36 = -36
36 + 12x2 + x4 = -36

Factor a perfect square on the left side:
(x2 + 6)(x2 + 6) = -36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5.74=-log(x) | | 9k-8k=12 | | 5.74=-log(9) | | 3b+15=7b-21 | | 3w(2)=6(2w) | | (5b-2)-2(2b+3)=-3 | | 3b+15=7n-21 | | 1/5x=71 | | 5x+7x-2x=-80 | | 6/11=9/x | | 4/5x5/12= | | In(9)+In(x)=0 | | http://4/5x5/12= | | 2(2)-y=5 | | 34=-11z+56 | | 72x^3+42x^2+63x= | | 100/2(20) | | 2n+3n+5n=60 | | v/3.2=19 | | 0=3m^2-7m-20 | | Y+2=8(x-9) | | 6x^3+24x^2-2x=0 | | 2/3a=-12 | | 8-3x-53x=5 | | 0.753x^2+451.8x-265200=0 | | 2y+4x+6yx+3(Y)= | | solve(4/5=1.04^x,x) | | solve(4/5=1.04^x) | | 2x-3(x+8)=15 | | solve(4/5)=1.04^x | | 3x+9=24x | | y=-6.4+0.6y |

Equations solver categories