9x^4-37x^2+1=0

Simple and best practice solution for 9x^4-37x^2+1=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 9x^4-37x^2+1=0 equation:


Simplifying
9x4 + -37x2 + 1 = 0

Reorder the terms:
1 + -37x2 + 9x4 = 0

Solving
1 + -37x2 + 9x4 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
0.1111111111 + -4.111111111x2 + x4 = 0

Move the constant term to the right:

Add '-0.1111111111' to each side of the equation.
0.1111111111 + -4.111111111x2 + -0.1111111111 + x4 = 0 + -0.1111111111

Reorder the terms:
0.1111111111 + -0.1111111111 + -4.111111111x2 + x4 = 0 + -0.1111111111

Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000
0.0000000000 + -4.111111111x2 + x4 = 0 + -0.1111111111
-4.111111111x2 + x4 = 0 + -0.1111111111

Combine like terms: 0 + -0.1111111111 = -0.1111111111
-4.111111111x2 + x4 = -0.1111111111

The x term is -4.111111111x2.  Take half its coefficient (-2.055555556).
Square it (4.225308644) and add it to both sides.

Add '4.225308644' to each side of the equation.
-4.111111111x2 + 4.225308644 + x4 = -0.1111111111 + 4.225308644

Reorder the terms:
4.225308644 + -4.111111111x2 + x4 = -0.1111111111 + 4.225308644

Combine like terms: -0.1111111111 + 4.225308644 = 4.1141975329
4.225308644 + -4.111111111x2 + x4 = 4.1141975329

Factor a perfect square on the left side:
(x2 + -2.055555556)(x2 + -2.055555556) = 4.1141975329

Calculate the square root of the right side: 2.028348474

Break this problem into two subproblems by setting 
(x2 + -2.055555556) equal to 2.028348474 and -2.028348474.

Subproblem 1

x2 + -2.055555556 = 2.028348474 Simplifying x2 + -2.055555556 = 2.028348474 Reorder the terms: -2.055555556 + x2 = 2.028348474 Solving -2.055555556 + x2 = 2.028348474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.055555556' to each side of the equation. -2.055555556 + 2.055555556 + x2 = 2.028348474 + 2.055555556 Combine like terms: -2.055555556 + 2.055555556 = 0.000000000 0.000000000 + x2 = 2.028348474 + 2.055555556 x2 = 2.028348474 + 2.055555556 Combine like terms: 2.028348474 + 2.055555556 = 4.08390403 x2 = 4.08390403 Simplifying x2 = 4.08390403 Take the square root of each side: x = {-2.020867148, 2.020867148}

Subproblem 2

x2 + -2.055555556 = -2.028348474 Simplifying x2 + -2.055555556 = -2.028348474 Reorder the terms: -2.055555556 + x2 = -2.028348474 Solving -2.055555556 + x2 = -2.028348474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.055555556' to each side of the equation. -2.055555556 + 2.055555556 + x2 = -2.028348474 + 2.055555556 Combine like terms: -2.055555556 + 2.055555556 = 0.000000000 0.000000000 + x2 = -2.028348474 + 2.055555556 x2 = -2.028348474 + 2.055555556 Combine like terms: -2.028348474 + 2.055555556 = 0.027207082 x2 = 0.027207082 Simplifying x2 = 0.027207082 Take the square root of each side: x = {-0.164945694, 0.164945694}

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.020867148, 2.020867148, -0.164945694, 0.164945694}

See similar equations:

| 0.2x=4.71x | | 6n-4n=12-6 | | 2m-9-8m=-32 | | x-1-3=8 | | (x+2)(2x-3)+5x=(2x+1)(x+4)-16 | | 3(2x+7)=-16+7 | | 5x-(x-3)+2=7(2x+4)-19 | | 3m+2=4m-15 | | 4+2x=x-5 | | 2(2-x)+3(-1-2x)=4 | | 27=-3(6-2v)+3v | | 7xy^4= | | t=480+55 | | -7(2b-4)=5 | | 13+x=13x | | 7+3(6-4n)=2n | | 0=2400-400x+12x^2 | | -8-3t+2=-5t-6t | | 11-(x+4)=6 | | 0=(60-2x)(40-2x)(x) | | 23+14t=13 | | 57=2x+27+27+30 | | 0=2400-400x-12x^2 | | (-4-6x)=10 | | 1.5x^2+3x+2=0 | | 0=0.9b+0.02b-b | | x^2+4x+39=0 | | x-0.7=-22 | | 7+10-47=-11 | | 7+10-4t=-11 | | 4(d+6)+1=11 | | 4w=64 |

Equations solver categories