m^4+m^2-1=0

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


Simplifying
m4 + m2 + -1 = 0

Reorder the terms:
-1 + m2 + m4 = 0

Solving
-1 + m2 + m4 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + m2 + 1 + m4 = 0 + 1

Reorder the terms:
-1 + 1 + m2 + m4 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + m2 + m4 = 0 + 1
m2 + m4 = 0 + 1

Combine like terms: 0 + 1 = 1
m2 + m4 = 1

The m term is m2.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
m2 + 0.25 + m4 = 1 + 0.25

Reorder the terms:
0.25 + m2 + m4 = 1 + 0.25

Combine like terms: 1 + 0.25 = 1.25
0.25 + m2 + m4 = 1.25

Factor a perfect square on the left side:
(m2 + 0.5)(m2 + 0.5) = 1.25

Calculate the square root of the right side: 1.118033989

Break this problem into two subproblems by setting 
(m2 + 0.5) equal to 1.118033989 and -1.118033989.

Subproblem 1

m2 + 0.5 = 1.118033989 Simplifying m2 + 0.5 = 1.118033989 Reorder the terms: 0.5 + m2 = 1.118033989 Solving 0.5 + m2 = 1.118033989 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + m2 = 1.118033989 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + m2 = 1.118033989 + -0.5 m2 = 1.118033989 + -0.5 Combine like terms: 1.118033989 + -0.5 = 0.618033989 m2 = 0.618033989 Simplifying m2 = 0.618033989 Take the square root of each side: m = {-0.786151378, 0.786151378}

Subproblem 2

m2 + 0.5 = -1.118033989 Simplifying m2 + 0.5 = -1.118033989 Reorder the terms: 0.5 + m2 = -1.118033989 Solving 0.5 + m2 = -1.118033989 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + m2 = -1.118033989 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + m2 = -1.118033989 + -0.5 m2 = -1.118033989 + -0.5 Combine like terms: -1.118033989 + -0.5 = -1.618033989 m2 = -1.618033989 Simplifying m2 = -1.618033989 Reorder the terms: 1.618033989 + m2 = -1.618033989 + 1.618033989 Combine like terms: -1.618033989 + 1.618033989 = 0.000000000 1.618033989 + m2 = 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:

| 15=4.3x-22.1(x-4) | | I=pet | | 4x+2(x+3)=18 | | 12+18= | | -4x+2y=8+4x | | 3(t+2)=4t+21 | | -10.3-9s=8.9s-18.3s-14.38 | | 4p+18whenp=5 | | ab-ac=k | | 40=w-15 | | -15n+8=-11-16 | | 4p+18p=5 | | (11b-2)-5(2b+2)=-2 | | 121=91+k | | -19.9m-16.83+9.5m=-9.6m-0.91 | | 4t^2-28t+49=0 | | 4t^2-28t=49 | | 6=n+3(n-2) | | x^2-4y+2y^2=0 | | 8x-2=15x-4x | | 9-4(2x-3)=2(x+1) | | 23=62-e | | 2r+-7=-1 | | c-75=7 | | m+7=-115 | | 6y-2[7(y+1)+4]=10y | | 5d+9-4d=51 | | -5(2w+1)-w=39 | | 13-21=-8 | | 8x+3=4+5x+13 | | B+1-3b=2(3b-3)-7b | | (3x+2)+(x-7)-(2x+5)= |

Equations solver categories