(m+n+1)(m-n-1)=0

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Solution for (m+n+1)(m-n-1)=0 equation:


Simplifying
(m + n + 1)(m + -1n + -1) = 0

Reorder the terms:
(1 + m + n)(m + -1n + -1) = 0

Reorder the terms:
(1 + m + n)(-1 + m + -1n) = 0

Multiply (1 + m + n) * (-1 + m + -1n)
(1(-1 + m + -1n) + m(-1 + m + -1n) + n(-1 + m + -1n)) = 0
((-1 * 1 + m * 1 + -1n * 1) + m(-1 + m + -1n) + n(-1 + m + -1n)) = 0
((-1 + 1m + -1n) + m(-1 + m + -1n) + n(-1 + m + -1n)) = 0
(-1 + 1m + -1n + (-1 * m + m * m + -1n * m) + n(-1 + m + -1n)) = 0

Reorder the terms:
(-1 + 1m + -1n + (-1m + -1mn + m2) + n(-1 + m + -1n)) = 0
(-1 + 1m + -1n + (-1m + -1mn + m2) + n(-1 + m + -1n)) = 0
(-1 + 1m + -1n + -1m + -1mn + m2 + (-1 * n + m * n + -1n * n)) = 0

Reorder the terms:
(-1 + 1m + -1n + -1m + -1mn + m2 + (mn + -1n + -1n2)) = 0
(-1 + 1m + -1n + -1m + -1mn + m2 + (mn + -1n + -1n2)) = 0

Reorder the terms:
(-1 + 1m + -1m + -1mn + mn + m2 + -1n + -1n + -1n2) = 0

Combine like terms: 1m + -1m = 0
(-1 + 0 + -1mn + mn + m2 + -1n + -1n + -1n2) = 0
(-1 + -1mn + mn + m2 + -1n + -1n + -1n2) = 0

Combine like terms: -1mn + mn = 0
(-1 + 0 + m2 + -1n + -1n + -1n2) = 0
(-1 + m2 + -1n + -1n + -1n2) = 0

Combine like terms: -1n + -1n = -2n
(-1 + m2 + -2n + -1n2) = 0

Solving
-1 + m2 + -2n + -1n2 = 0

Solving for variable 'm'.

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

Add '1' to each side of the equation.
-1 + m2 + -2n + 1 + -1n2 = 0 + 1

Reorder the terms:
-1 + 1 + m2 + -2n + -1n2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + m2 + -2n + -1n2 = 0 + 1
m2 + -2n + -1n2 = 0 + 1

Combine like terms: 0 + 1 = 1
m2 + -2n + -1n2 = 1

Add '2n' to each side of the equation.
m2 + -2n + 2n + -1n2 = 1 + 2n

Combine like terms: -2n + 2n = 0
m2 + 0 + -1n2 = 1 + 2n
m2 + -1n2 = 1 + 2n

Add 'n2' to each side of the equation.
m2 + -1n2 + n2 = 1 + 2n + n2

Combine like terms: -1n2 + n2 = 0
m2 + 0 = 1 + 2n + n2
m2 = 1 + 2n + n2

Simplifying
m2 = 1 + 2n + n2

Reorder the terms:
-1 + m2 + -2n + -1n2 = 1 + 2n + n2 + -1 + -2n + -1n2

Reorder the terms:
-1 + m2 + -2n + -1n2 = 1 + -1 + 2n + -2n + n2 + -1n2

Combine like terms: 1 + -1 = 0
-1 + m2 + -2n + -1n2 = 0 + 2n + -2n + n2 + -1n2
-1 + m2 + -2n + -1n2 = 2n + -2n + n2 + -1n2

Combine like terms: 2n + -2n = 0
-1 + m2 + -2n + -1n2 = 0 + n2 + -1n2
-1 + m2 + -2n + -1n2 = n2 + -1n2

Combine like terms: n2 + -1n2 = 0
-1 + m2 + -2n + -1n2 = 0

The solution to this equation could not be determined.

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