(X)(x)+0x-1=0

Solution for (X)(x)+0x-1=0 equation:

Simplifying
(X)(x) + 0x + -1 = 0

Multiply X * x
xX + 0x + -1 = 0

Anything times zero is zero.
xX + 0x + -1 = 0

Reorder the terms:
0 + -1 + xX = 0

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

Solving
-1 + xX = 0

Solving for variable 'x'.

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

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

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

Combine like terms: 0 + 1 = 1
xX = 1

Divide each side by 'X'.
x = X-1

Simplifying
x = X-1