81m^8-16m^4=0

Simple and best practice solution for 81m^8-16m^4=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 81m^8-16m^4=0 equation:


Simplifying
81m8 + -16m4 = 0

Reorder the terms:
-16m4 + 81m8 = 0

Solving
-16m4 + 81m8 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), 'm4'.
m4(-16 + 81m4) = 0

Factor a difference between two squares.
m4((4 + 9m2)(-4 + 9m2)) = 0

Factor a difference between two squares.
m4((4 + 9m2)((2 + 3m)(-2 + 3m))) = 0

Subproblem 1

Set the factor 'm4' equal to zero and attempt to solve: Simplifying m4 = 0 Solving m4 = 0 Move all terms containing m to the left, all other terms to the right. Simplifying m4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(4 + 9m2)' equal to zero and attempt to solve: Simplifying 4 + 9m2 = 0 Solving 4 + 9m2 = 0 Move all terms containing m to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9m2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9m2 = 0 + -4 9m2 = 0 + -4 Combine like terms: 0 + -4 = -4 9m2 = -4 Divide each side by '9'. m2 = -0.4444444444 Simplifying m2 = -0.4444444444 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(2 + 3m)' equal to zero and attempt to solve: Simplifying 2 + 3m = 0 Solving 2 + 3m = 0 Move all terms containing m to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3m = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3m = 0 + -2 3m = 0 + -2 Combine like terms: 0 + -2 = -2 3m = -2 Divide each side by '3'. m = -0.6666666667 Simplifying m = -0.6666666667

Subproblem 4

Set the factor '(-2 + 3m)' equal to zero and attempt to solve: Simplifying -2 + 3m = 0 Solving -2 + 3m = 0 Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 3m = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 3m = 0 + 2 3m = 0 + 2 Combine like terms: 0 + 2 = 2 3m = 2 Divide each side by '3'. m = 0.6666666667 Simplifying m = 0.6666666667

Solution

m = {-0.6666666667, 0.6666666667}

See similar equations:

| 3q-5q=-12 | | 13x+23y=7 | | 11=125-2y | | -2y+1=8 | | 5+.2x+.4y=30 | | (5x-15)+(3x-1)+(5x-15)+(4x+34)= | | 8u+4(u-8)=16 | | 2x+3=-2x+5 | | x^2-8x+180=0 | | -3x=x-(6-2x) | | -2y-x=-8 | | 7n-49=0 | | 4a+3b=33 | | m+5.13=17.2 | | x^2-25+156.25=0 | | (n-7)*8=32 | | 2(s+5)=14 | | 11=14a | | 5(d-2)=40 | | -10r=6 | | 4xy-2yx^2=0 | | -15=-12b | | -5x+2=-2x-7 | | 4r-1=9whatisr | | 2a+6b=144 | | 5x-15=-5x+35 | | 24x-19-13x+2=22x-6-11x+12 | | 0=-n^2+n+20 | | 2x+11=9x+18 | | 3(3+5x)-4=50 | | 9x(x+8)=0 | | 5x-10-3x=6-4x |

Equations solver categories