7m^4-54m^2-16=0

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Solution for 7m^4-54m^2-16=0 equation:


Simplifying
7m4 + -54m2 + -16 = 0

Reorder the terms:
-16 + -54m2 + 7m4 = 0

Solving
-16 + -54m2 + 7m4 = 0

Solving for variable 'm'.

Factor a trinomial.
(-2 + -7m2)(8 + -1m2) = 0

Subproblem 1

Set the factor '(-2 + -7m2)' equal to zero and attempt to solve: Simplifying -2 + -7m2 = 0 Solving -2 + -7m2 = 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 + -7m2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7m2 = 0 + 2 -7m2 = 0 + 2 Combine like terms: 0 + 2 = 2 -7m2 = 2 Divide each side by '-7'. m2 = -0.2857142857 Simplifying m2 = -0.2857142857 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 '(8 + -1m2)' equal to zero and attempt to solve: Simplifying 8 + -1m2 = 0 Solving 8 + -1m2 = 0 Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1m2 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1m2 = 0 + -8 -1m2 = 0 + -8 Combine like terms: 0 + -8 = -8 -1m2 = -8 Divide each side by '-1'. m2 = 8 Simplifying m2 = 8 Take the square root of each side: m = {-2.828427125, 2.828427125}

Solution

m = {-2.828427125, 2.828427125}

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