(1-y^9)(1+y^9)=

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Solution for (1-y^9)(1+y^9)= equation:


Simplifying
(1 + -1y9)(1 + y9) = 0

Multiply (1 + -1y9) * (1 + y9)
(1(1 + y9) + -1y9 * (1 + y9)) = 0
((1 * 1 + y9 * 1) + -1y9 * (1 + y9)) = 0
((1 + 1y9) + -1y9 * (1 + y9)) = 0
(1 + 1y9 + (1 * -1y9 + y9 * -1y9)) = 0
(1 + 1y9 + (-1y9 + -1y18)) = 0

Combine like terms: 1y9 + -1y9 = 0
(1 + 0 + -1y18) = 0
(1 + -1y18) = 0

Solving
1 + -1y18 = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -1y18 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1y18 = 0 + -1
-1y18 = 0 + -1

Combine like terms: 0 + -1 = -1
-1y18 = -1

Divide each side by '-1'.
y18 = 1

Simplifying
y18 = 1

Reorder the terms:
-1 + y18 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + y18 = 0

Factor a difference between two squares.
(1 + y9)(-1 + y9) = 0

Subproblem 1

Set the factor '(1 + y9)' equal to zero and attempt to solve: Simplifying 1 + y9 = 0 Solving 1 + y9 = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y9 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + y9 = 0 + -1 y9 = 0 + -1 Combine like terms: 0 + -1 = -1 y9 = -1 Simplifying y9 = -1 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 '(-1 + y9)' equal to zero and attempt to solve: Simplifying -1 + y9 = 0 Solving -1 + y9 = 0 Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y9 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + y9 = 0 + 1 y9 = 0 + 1 Combine like terms: 0 + 1 = 1 y9 = 1 Simplifying y9 = 1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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