(X-1)(x-3)=15

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Solution for (X-1)(x-3)=15 equation:


Simplifying
(X + -1)(x + -3) = 15

Reorder the terms:
(-1 + X)(x + -3) = 15

Reorder the terms:
(-1 + X)(-3 + x) = 15

Multiply (-1 + X) * (-3 + x)
(-1(-3 + x) + X(-3 + x)) = 15
((-3 * -1 + x * -1) + X(-3 + x)) = 15
((3 + -1x) + X(-3 + x)) = 15
(3 + -1x + (-3 * X + x * X)) = 15
(3 + -1x + (-3X + xX)) = 15

Reorder the terms:
(3 + -3X + -1x + xX) = 15
(3 + -3X + -1x + xX) = 15

Solving
3 + -3X + -1x + xX = 15

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + -3X + -1x + -3 + xX = 15 + -3

Reorder the terms:
3 + -3 + -3X + -1x + xX = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -3X + -1x + xX = 15 + -3
-3X + -1x + xX = 15 + -3

Combine like terms: 15 + -3 = 12
-3X + -1x + xX = 12

Add 'x' to each side of the equation.
-3X + -1x + x + xX = 12 + x

Combine like terms: -1x + x = 0
-3X + 0 + xX = 12 + x
-3X + xX = 12 + x

Reorder the terms:
-12 + -3X + -1x + xX = 12 + x + -12 + -1x

Reorder the terms:
-12 + -3X + -1x + xX = 12 + -12 + x + -1x

Combine like terms: 12 + -12 = 0
-12 + -3X + -1x + xX = 0 + x + -1x
-12 + -3X + -1x + xX = x + -1x

Combine like terms: x + -1x = 0
-12 + -3X + -1x + xX = 0

The solution to this equation could not be determined.

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