8x^6+6x^3+7=0

Simple and best practice solution for 8x^6+6x^3+7=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 8x^6+6x^3+7=0 equation:


Simplifying
8x6 + 6x3 + 7 = 0

Reorder the terms:
7 + 6x3 + 8x6 = 0

Solving
7 + 6x3 + 8x6 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
0.875 + 0.75x3 + x6 = 0

Move the constant term to the right:

Add '-0.875' to each side of the equation.
0.875 + 0.75x3 + -0.875 + x6 = 0 + -0.875

Reorder the terms:
0.875 + -0.875 + 0.75x3 + x6 = 0 + -0.875

Combine like terms: 0.875 + -0.875 = 0.000
0.000 + 0.75x3 + x6 = 0 + -0.875
0.75x3 + x6 = 0 + -0.875

Combine like terms: 0 + -0.875 = -0.875
0.75x3 + x6 = -0.875

The x term is 0.75x3.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x3 + 0.140625 + x6 = -0.875 + 0.140625

Reorder the terms:
0.140625 + 0.75x3 + x6 = -0.875 + 0.140625

Combine like terms: -0.875 + 0.140625 = -0.734375
0.140625 + 0.75x3 + x6 = -0.734375

Factor a perfect square on the left side:
(x3 + 0.375)(x3 + 0.375) = -0.734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x+11=25 | | r^2-15r+54=0 | | 4x+10y-8+4x-4y= | | x^2-x-110=0 | | 10-a+3a=6 | | 3n+8= | | 2*-8.5+13.6=0.5*-8.5 | | 3(7-y)-6*2=-21 | | 2.3g=7013 | | 5x+6a+7= | | 2x+.25x=54 | | 12w-8=28 | | 2x+13.6=0.4x | | 23a=30 | | 3x-7x+4= | | 8k+7k=0 | | 4(w+7)-(-3w-9)=6w | | 7.5x-1.5x=6.6 | | 29x^2-12x=0 | | m^2-24m=-144 | | 3x^2-7x+12=0 | | 4(4y+2)=(1+6y)+8 | | 4(z-5)+2=x+3 | | 11x-14y=13 | | -5z-9=-24 | | 3x+9=9x-21 | | 25x^3-20x^2+20x-16= | | 156=50+w | | x+16=2(4x+8) | | Y-0.6=2(x-0.8) | | 0=x^2-29x-108 | | x+8=2(2x+7) |

Equations solver categories