x^4+4x^2-2.5=0

Simple and best practice solution for x^4+4x^2-2.5=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+4x^2-2.5=0 equation:


Simplifying
x4 + 4x2 + -2.5 = 0

Reorder the terms:
-2.5 + 4x2 + x4 = 0

Solving
-2.5 + 4x2 + x4 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2.5' to each side of the equation.
-2.5 + 4x2 + 2.5 + x4 = 0 + 2.5

Reorder the terms:
-2.5 + 2.5 + 4x2 + x4 = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + 4x2 + x4 = 0 + 2.5
4x2 + x4 = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
4x2 + x4 = 2.5

The x term is 4x2.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x2 + 4 + x4 = 2.5 + 4

Reorder the terms:
4 + 4x2 + x4 = 2.5 + 4

Combine like terms: 2.5 + 4 = 6.5
4 + 4x2 + x4 = 6.5

Factor a perfect square on the left side:
(x2 + 2)(x2 + 2) = 6.5

Calculate the square root of the right side: 2.549509757

Break this problem into two subproblems by setting 
(x2 + 2) equal to 2.549509757 and -2.549509757.

Subproblem 1

x2 + 2 = 2.549509757 Simplifying x2 + 2 = 2.549509757 Reorder the terms: 2 + x2 = 2.549509757 Solving 2 + x2 = 2.549509757 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x2 = 2.549509757 + -2 Combine like terms: 2 + -2 = 0 0 + x2 = 2.549509757 + -2 x2 = 2.549509757 + -2 Combine like terms: 2.549509757 + -2 = 0.549509757 x2 = 0.549509757 Simplifying x2 = 0.549509757 Take the square root of each side: x = {-0.741289253, 0.741289253}

Subproblem 2

x2 + 2 = -2.549509757 Simplifying x2 + 2 = -2.549509757 Reorder the terms: 2 + x2 = -2.549509757 Solving 2 + x2 = -2.549509757 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x2 = -2.549509757 + -2 Combine like terms: 2 + -2 = 0 0 + x2 = -2.549509757 + -2 x2 = -2.549509757 + -2 Combine like terms: -2.549509757 + -2 = -4.549509757 x2 = -4.549509757 Simplifying x2 = -4.549509757 Reorder the terms: 4.549509757 + x2 = -4.549509757 + 4.549509757 Combine like terms: -4.549509757 + 4.549509757 = 0.000000000 4.549509757 + 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:

| 12-6=3b+8 | | 0.90x+15=375 | | 6y+9= | | 5(3-3x)=75 | | 165=15(4-x) | | 7-5x-2x=-49 | | 0.90x+15=442.50 | | (3-2i)-(5+3i)= | | 51=5x+5x+1 | | 2(8+6x)=100 | | x^4+2x^2-16=0 | | 10z-c=15 | | 6x-4=x+24 | | -20=3x-6x+7 | | 2(11-8x)=x-11x | | 39.943/22.7= | | -4(5+2x)=60 | | 38.68+.5x=100 | | 10x(x)-3x-1=0 | | -5x+5-x=59 | | 5(2x-5)=-115 | | 7-14x=-23-19x | | 10a-8-9a=6 | | -7x+2=-86+4x | | 52457/135= | | b-0.0b= | | m^3+m^2-2=0 | | 19-10m=10+17m | | (10+7i)+(8-7i)= | | 21+-7= | | 12overx=-3 | | -23+13m=14-5m |

Equations solver categories