a^8-b^8=

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Solution for a^8-b^8= equation:


Simplifying
a8 + -1b8 = 0

Solving
a8 + -1b8 = 0

Solving for variable 'a'.

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

Add 'b8' to each side of the equation.
a8 + -1b8 + b8 = 0 + b8

Combine like terms: -1b8 + b8 = 0
a8 + 0 = 0 + b8
a8 = 0 + b8
Remove the zero:
a8 = b8

Simplifying
a8 = b8

Combine like terms: b8 + -1b8 = 0
a8 + -1b8 = 0

Factor a difference between two squares.
(a4 + b4)(a4 + -1b4) = 0

Factor a difference between two squares.
(a4 + b4)((a2 + b2)(a2 + -1b2)) = 0

Factor a difference between two squares.
(a4 + b4)((a2 + b2)((a + b)(a + -1b))) = 0

Subproblem 1

Set the factor '(a4 + b4)' equal to zero and attempt to solve: Simplifying a4 + b4 = 0 Solving a4 + b4 = 0 Move all terms containing a to the left, all other terms to the right. Add '-1b4' to each side of the equation. a4 + b4 + -1b4 = 0 + -1b4 Combine like terms: b4 + -1b4 = 0 a4 + 0 = 0 + -1b4 a4 = 0 + -1b4 Remove the zero: a4 = -1b4 Simplifying a4 = -1b4 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 '(a2 + b2)' equal to zero and attempt to solve: Simplifying a2 + b2 = 0 Solving a2 + b2 = 0 Move all terms containing a to the left, all other terms to the right. Add '-1b2' to each side of the equation. a2 + b2 + -1b2 = 0 + -1b2 Combine like terms: b2 + -1b2 = 0 a2 + 0 = 0 + -1b2 a2 = 0 + -1b2 Remove the zero: a2 = -1b2 Simplifying a2 = -1b2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

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

Subproblem 4

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

Solution

a = {-1b, b}

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