256m^4-81=

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Solution for 256m^4-81= equation:


Simplifying
256m4 + -81 = 0

Reorder the terms:
-81 + 256m4 = 0

Solving
-81 + 256m4 = 0

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '81' to each side of the equation.
-81 + 81 + 256m4 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 256m4 = 0 + 81
256m4 = 0 + 81

Combine like terms: 0 + 81 = 81
256m4 = 81

Divide each side by '256'.
m4 = 0.31640625

Simplifying
m4 = 0.31640625

Reorder the terms:
-0.31640625 + m4 = 0.31640625 + -0.31640625

Combine like terms: 0.31640625 + -0.31640625 = 0.00000000
-0.31640625 + m4 = 0.00000000

Factor a difference between two squares.
(0.5625 + m2)(-0.5625 + m2) = 0.00000000

Factor a difference between two squares.
(0.5625 + m2)((0.75 + m)(-0.75 + m)) = 0.00000000

Subproblem 1

Set the factor '(0.5625 + m2)' equal to zero and attempt to solve: Simplifying 0.5625 + m2 = 0 Solving 0.5625 + m2 = 0 Move all terms containing m to the left, all other terms to the right. Add '-0.5625' to each side of the equation. 0.5625 + -0.5625 + m2 = 0 + -0.5625 Combine like terms: 0.5625 + -0.5625 = 0.0000 0.0000 + m2 = 0 + -0.5625 m2 = 0 + -0.5625 Combine like terms: 0 + -0.5625 = -0.5625 m2 = -0.5625 Simplifying m2 = -0.5625 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 '(0.75 + m)' equal to zero and attempt to solve: Simplifying 0.75 + m = 0 Solving 0.75 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + m = 0 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + m = 0 + -0.75 m = 0 + -0.75 Combine like terms: 0 + -0.75 = -0.75 m = -0.75 Simplifying m = -0.75

Subproblem 3

Set the factor '(-0.75 + m)' equal to zero and attempt to solve: Simplifying -0.75 + m = 0 Solving -0.75 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + m = 0 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + m = 0 + 0.75 m = 0 + 0.75 Combine like terms: 0 + 0.75 = 0.75 m = 0.75 Simplifying m = 0.75

Solution

m = {-0.75, 0.75}

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