j^4-16=0

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Solution for j^4-16=0 equation:


Simplifying
j4 + -16 = 0

Reorder the terms:
-16 + j4 = 0

Solving
-16 + j4 = 0

Solving for variable 'j'.

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

Add '16' to each side of the equation.
-16 + 16 + j4 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + j4 = 0 + 16
j4 = 0 + 16

Combine like terms: 0 + 16 = 16
j4 = 16

Simplifying
j4 = 16

Reorder the terms:
-16 + j4 = 16 + -16

Combine like terms: 16 + -16 = 0
-16 + j4 = 0

Factor a difference between two squares.
(4 + j2)(-4 + j2) = 0

Factor a difference between two squares.
(4 + j2)((2 + j)(-2 + j)) = 0

Subproblem 1

Set the factor '(4 + j2)' equal to zero and attempt to solve: Simplifying 4 + j2 = 0 Solving 4 + j2 = 0 Move all terms containing j to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + j2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + j2 = 0 + -4 j2 = 0 + -4 Combine like terms: 0 + -4 = -4 j2 = -4 Simplifying j2 = -4 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 + j)' equal to zero and attempt to solve: Simplifying 2 + j = 0 Solving 2 + j = 0 Move all terms containing j to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + j = 0 + -2 Combine like terms: 2 + -2 = 0 0 + j = 0 + -2 j = 0 + -2 Combine like terms: 0 + -2 = -2 j = -2 Simplifying j = -2

Subproblem 3

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

Solution

j = {-2, 2}

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