5x^4-3=17

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Solution for 5x^4-3=17 equation:


Simplifying
5x4 + -3 = 17

Reorder the terms:
-3 + 5x4 = 17

Solving
-3 + 5x4 = 17

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 5x4 = 17 + 3

Combine like terms: -3 + 3 = 0
0 + 5x4 = 17 + 3
5x4 = 17 + 3

Combine like terms: 17 + 3 = 20
5x4 = 20

Divide each side by '5'.
x4 = 4

Simplifying
x4 = 4

Reorder the terms:
-4 + x4 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + x4 = 0

Factor a difference between two squares.
(2 + x2)(-2 + x2) = 0

Subproblem 1

Set the factor '(2 + x2)' equal to zero and attempt to solve: Simplifying 2 + x2 = 0 Solving 2 + x2 = 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 + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x2 = 0 + -2 x2 = 0 + -2 Combine like terms: 0 + -2 = -2 x2 = -2 Simplifying x2 = -2 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 '(-2 + x2)' equal to zero and attempt to solve: Simplifying -2 + x2 = 0 Solving -2 + x2 = 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 + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x2 = 0 + 2 x2 = 0 + 2 Combine like terms: 0 + 2 = 2 x2 = 2 Simplifying x2 = 2 Take the square root of each side: x = {-1.414213562, 1.414213562}

Solution

x = {-1.414213562, 1.414213562}

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