r^4-4096=

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Solution for r^4-4096= equation:


Simplifying
r4 + -4096 = 0

Reorder the terms:
-4096 + r4 = 0

Solving
-4096 + r4 = 0

Solving for variable 'r'.

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

Add '4096' to each side of the equation.
-4096 + 4096 + r4 = 0 + 4096

Combine like terms: -4096 + 4096 = 0
0 + r4 = 0 + 4096
r4 = 0 + 4096

Combine like terms: 0 + 4096 = 4096
r4 = 4096

Simplifying
r4 = 4096

Reorder the terms:
-4096 + r4 = 4096 + -4096

Combine like terms: 4096 + -4096 = 0
-4096 + r4 = 0

Factor a difference between two squares.
(64 + r2)(-64 + r2) = 0

Factor a difference between two squares.
(64 + r2)((8 + r)(-8 + r)) = 0

Subproblem 1

Set the factor '(64 + r2)' equal to zero and attempt to solve: Simplifying 64 + r2 = 0 Solving 64 + r2 = 0 Move all terms containing r to the left, all other terms to the right. Add '-64' to each side of the equation. 64 + -64 + r2 = 0 + -64 Combine like terms: 64 + -64 = 0 0 + r2 = 0 + -64 r2 = 0 + -64 Combine like terms: 0 + -64 = -64 r2 = -64 Simplifying r2 = -64 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 + r)' equal to zero and attempt to solve: Simplifying 8 + r = 0 Solving 8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + r = 0 + -8 r = 0 + -8 Combine like terms: 0 + -8 = -8 r = -8 Simplifying r = -8

Subproblem 3

Set the factor '(-8 + r)' equal to zero and attempt to solve: Simplifying -8 + r = 0 Solving -8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + r = 0 + 8 Combine like terms: -8 + 8 = 0 0 + r = 0 + 8 r = 0 + 8 Combine like terms: 0 + 8 = 8 r = 8 Simplifying r = 8

Solution

r = {-8, 8}

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