4x^4=41x^2-100

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Solution for 4x^4=41x^2-100 equation:


Simplifying
4x4 = 41x2 + -100

Reorder the terms:
4x4 = -100 + 41x2

Solving
4x4 = -100 + 41x2

Solving for variable 'x'.

Reorder the terms:
100 + -41x2 + 4x4 = -100 + 41x2 + 100 + -41x2

Reorder the terms:
100 + -41x2 + 4x4 = -100 + 100 + 41x2 + -41x2

Combine like terms: -100 + 100 = 0
100 + -41x2 + 4x4 = 0 + 41x2 + -41x2
100 + -41x2 + 4x4 = 41x2 + -41x2

Combine like terms: 41x2 + -41x2 = 0
100 + -41x2 + 4x4 = 0

Factor a trinomial.
(4 + -1x2)(25 + -4x2) = 0

Factor a difference between two squares.
((2 + x)(2 + -1x))(25 + -4x2) = 0

Factor a difference between two squares.
((5 + 2x)(5 + -2x))(2 + x)(2 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 3

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Subproblem 4

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-2, 2, -2.5, 2.5}

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