m^4-18m^2+81=0

Simple and best practice solution for m^4-18m^2+81=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^4-18m^2+81=0 equation:


Simplifying
m4 + -18m2 + 81 = 0

Reorder the terms:
81 + -18m2 + m4 = 0

Solving
81 + -18m2 + m4 = 0

Solving for variable 'm'.

Factor a trinomial.
(9 + -1m2)(9 + -1m2) = 0

Factor a difference between two squares.
((3 + m)(3 + -1m))(9 + -1m2) = 0

Factor a difference between two squares.
((3 + m)(3 + -1m))(3 + m)(3 + -1m) = 0

Subproblem 1

Set the factor '(3 + m)' equal to zero and attempt to solve: Simplifying 3 + m = 0 Solving 3 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + m = 0 + -3 m = 0 + -3 Combine like terms: 0 + -3 = -3 m = -3 Simplifying m = -3

Subproblem 2

Set the factor '(3 + -1m)' equal to zero and attempt to solve: Simplifying 3 + -1m = 0 Solving 3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1m = 0 + -3 -1m = 0 + -3 Combine like terms: 0 + -3 = -3 -1m = -3 Divide each side by '-1'. m = 3 Simplifying m = 3

Subproblem 3

Set the factor '(3 + m)' equal to zero and attempt to solve: Simplifying 3 + m = 0 Solving 3 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + m = 0 + -3 m = 0 + -3 Combine like terms: 0 + -3 = -3 m = -3 Simplifying m = -3

Subproblem 4

Set the factor '(3 + -1m)' equal to zero and attempt to solve: Simplifying 3 + -1m = 0 Solving 3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1m = 0 + -3 -1m = 0 + -3 Combine like terms: 0 + -3 = -3 -1m = -3 Divide each side by '-1'. m = 3 Simplifying m = 3

Solution

m = {-3, 3, -3, 3}

See similar equations:

| -.6(y+20)=-2.6(y+15) | | 9-6-3-5= | | x^2-20x+98=0 | | 8x-5x+2x-2x= | | 6(5u+1)+1=73 | | 15x+18=11-10x | | 5x+12=12+5x | | D+3.95+0.25=7.70 | | 10x=126 | | 4(x^2-2)=a-x^2(a+4) | | 3a-5-2=2a-3 | | 36+p=7(p+6) | | x^2+0x-15=0 | | 46=9x-107 | | -2-2-2= | | r=9(b+1) | | N=11N | | 3z+z^2=28 | | 5/6=1/12v | | (5+10)-7= | | 3x=-3y-3 | | 0=6x^2+20x-16 | | (10-13)+13= | | 6+(15-10)= | | 6y-8=-3(y+2) | | -z+9-3z=4-4z+5 | | 6(2-4m)=39+3m | | 7(-1-1)+14= | | 81-4q^2=0 | | 7x-3=6(x+1) | | 2x=x^2-4x+8 | | 2x+7+30+63=180 |

Equations solver categories