9u^4+11u^2+4=0

Simple and best practice solution for 9u^4+11u^2+4=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 9u^4+11u^2+4=0 equation:


Simplifying
9u4 + 11u2 + 4 = 0

Reorder the terms:
4 + 11u2 + 9u4 = 0

Solving
4 + 11u2 + 9u4 = 0

Solving for variable 'u'.

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

Divide each side by '9'.
0.4444444444 + 1.222222222u2 + u4 = 0

Move the constant term to the right:

Add '-0.4444444444' to each side of the equation.
0.4444444444 + 1.222222222u2 + -0.4444444444 + u4 = 0 + -0.4444444444

Reorder the terms:
0.4444444444 + -0.4444444444 + 1.222222222u2 + u4 = 0 + -0.4444444444

Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000
0.0000000000 + 1.222222222u2 + u4 = 0 + -0.4444444444
1.222222222u2 + u4 = 0 + -0.4444444444

Combine like terms: 0 + -0.4444444444 = -0.4444444444
1.222222222u2 + u4 = -0.4444444444

The u term is 1.222222222u2.  Take half its coefficient (0.611111111).
Square it (0.3734567900) and add it to both sides.

Add '0.3734567900' to each side of the equation.
1.222222222u2 + 0.3734567900 + u4 = -0.4444444444 + 0.3734567900

Reorder the terms:
0.3734567900 + 1.222222222u2 + u4 = -0.4444444444 + 0.3734567900

Combine like terms: -0.4444444444 + 0.3734567900 = -0.0709876544
0.3734567900 + 1.222222222u2 + u4 = -0.0709876544

Factor a perfect square on the left side:
(u2 + 0.611111111)(u2 + 0.611111111) = -0.0709876544

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0.6p-1.9=0.78p+1.7 | | 0.36u+2.55=0.41u+6.8 | | 9x^2-3=33 | | 0.8x-0.3=0.7x+0.2 | | 4y^2-12y+42=0 | | 4y^2-6y+42=0 | | x^2-4x-5=k | | 2x^3-4x-1=0 | | 1200/4.08 | | 3-2(2-y)=7 | | 6y+3y+8y= | | x^2+3x+7/2=0 | | 4u+16=-19-u | | x2+3x+7/2=0 | | w=(52-20)/2 | | h=(2*63)/(5+9) | | 10x-(20+4x)=20+6x | | 8-2x=3x+2 | | sn+3=18 | | 10+2x-25=13+5x | | 5n-20=-7n-80 | | 9y+2x=-18 | | 0.2x+1=-0.3x-1.5 | | a+b+c=6 | | 36/n=12 | | x^3-6x^2+x+2=0 | | 4x-3/4=3x | | (x^2+8x+15)/(x^2+11x+30) | | k=-6k-35 | | 5a+21=2a | | 23f=46 | | 7y=6y-13 |

Equations solver categories