0.0122x^4+0.83x^2-12.85=0

Simple and best practice solution for 0.0122x^4+0.83x^2-12.85=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 0.0122x^4+0.83x^2-12.85=0 equation:


Simplifying
0.0122x4 + 0.83x2 + -12.85 = 0

Reorder the terms:
-12.85 + 0.83x2 + 0.0122x4 = 0

Solving
-12.85 + 0.83x2 + 0.0122x4 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
0.0122 the coefficient of the squared term: 

Divide each side by '0.0122'.
-1053.278689 + 68.03278689x2 + x4 = 0

Move the constant term to the right:

Add '1053.278689' to each side of the equation.
-1053.278689 + 68.03278689x2 + 1053.278689 + x4 = 0 + 1053.278689

Reorder the terms:
-1053.278689 + 1053.278689 + 68.03278689x2 + x4 = 0 + 1053.278689

Combine like terms: -1053.278689 + 1053.278689 = 0.000000
0.000000 + 68.03278689x2 + x4 = 0 + 1053.278689
68.03278689x2 + x4 = 0 + 1053.278689

Combine like terms: 0 + 1053.278689 = 1053.278689
68.03278689x2 + x4 = 1053.278689

The x term is 68.03278689x2.  Take half its coefficient (34.01639345).
Square it (1157.115023) and add it to both sides.

Add '1157.115023' to each side of the equation.
68.03278689x2 + 1157.115023 + x4 = 1053.278689 + 1157.115023

Reorder the terms:
1157.115023 + 68.03278689x2 + x4 = 1053.278689 + 1157.115023

Combine like terms: 1053.278689 + 1157.115023 = 2210.393712
1157.115023 + 68.03278689x2 + x4 = 2210.393712

Factor a perfect square on the left side:
(x2 + 34.01639345)(x2 + 34.01639345) = 2210.393712

Calculate the square root of the right side: 47.014824386

Break this problem into two subproblems by setting 
(x2 + 34.01639345) equal to 47.014824386 and -47.014824386.

Subproblem 1

x2 + 34.01639345 = 47.014824386 Simplifying x2 + 34.01639345 = 47.014824386 Reorder the terms: 34.01639345 + x2 = 47.014824386 Solving 34.01639345 + x2 = 47.014824386 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-34.01639345' to each side of the equation. 34.01639345 + -34.01639345 + x2 = 47.014824386 + -34.01639345 Combine like terms: 34.01639345 + -34.01639345 = 0.00000000 0.00000000 + x2 = 47.014824386 + -34.01639345 x2 = 47.014824386 + -34.01639345 Combine like terms: 47.014824386 + -34.01639345 = 12.998430936 x2 = 12.998430936 Simplifying x2 = 12.998430936 Take the square root of each side: x = {-3.605333679, 3.605333679}

Subproblem 2

x2 + 34.01639345 = -47.014824386 Simplifying x2 + 34.01639345 = -47.014824386 Reorder the terms: 34.01639345 + x2 = -47.014824386 Solving 34.01639345 + x2 = -47.014824386 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-34.01639345' to each side of the equation. 34.01639345 + -34.01639345 + x2 = -47.014824386 + -34.01639345 Combine like terms: 34.01639345 + -34.01639345 = 0.00000000 0.00000000 + x2 = -47.014824386 + -34.01639345 x2 = -47.014824386 + -34.01639345 Combine like terms: -47.014824386 + -34.01639345 = -81.031217836 x2 = -81.031217836 Simplifying x2 = -81.031217836 Reorder the terms: 81.031217836 + x2 = -81.031217836 + 81.031217836 Combine like terms: -81.031217836 + 81.031217836 = 0.000000000 81.031217836 + x2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| x(20x-45)=90 | | 36+2(x-9)=3(2-x) | | x(20x-36)=72 | | 2-y+3=5 | | x^4+2x^3+4x^2+12x+36=0 | | x(20x-27)=54 | | 3(2c+1)=2(1-c)-1 | | x(20x-9)=18 | | w+0.14w=22.23 | | x^2-5x=x+16 | | 5x^3+12x^2-x-6=0 | | 5+5(y-6)=14 | | 45a^2-245= | | (3x+6)(x+1)=0 | | x^4-2x^3-6x^2+22x+55=0 | | 9(x-2)=x+3(x+5) | | 2(4m-3)=7m-6 | | 4y^4-6y^2+5=0 | | 0=x^4-x^3-18x^2-2x-40 | | -2(x+8)=-34 | | 4-7+3x-5x=10-14+3x-4x | | 27x^3+64g^3= | | 3(x+2)+3(x-8)= | | x+8=(x+7)+(x+2) | | -3x-4x-9=11-2+7x-4 | | 3x+16=9x+4 | | x^2+8xy-33y^2=equation | | .66n=7.33n-.5 | | 4(x-3)+2x=39 | | -16t^2+16t+35=0 | | 3x^5y^2-1875xy^2=0 | | x^3+4x^2+4ix+16i=0 |

Equations solver categories