(X+15)(x-4)=0

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Solution for (X+15)(x-4)=0 equation:


Simplifying
(X + 15)(x + -4) = 0

Reorder the terms:
(15 + X)(x + -4) = 0

Reorder the terms:
(15 + X)(-4 + x) = 0

Multiply (15 + X) * (-4 + x)
(15(-4 + x) + X(-4 + x)) = 0
((-4 * 15 + x * 15) + X(-4 + x)) = 0
((-60 + 15x) + X(-4 + x)) = 0
(-60 + 15x + (-4 * X + x * X)) = 0
(-60 + 15x + (-4X + xX)) = 0

Reorder the terms:
(-60 + -4X + 15x + xX) = 0
(-60 + -4X + 15x + xX) = 0

Solving
-60 + -4X + 15x + xX = 0

Solving for variable 'X'.

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

Add '60' to each side of the equation.
-60 + -4X + 15x + 60 + xX = 0 + 60

Reorder the terms:
-60 + 60 + -4X + 15x + xX = 0 + 60

Combine like terms: -60 + 60 = 0
0 + -4X + 15x + xX = 0 + 60
-4X + 15x + xX = 0 + 60

Combine like terms: 0 + 60 = 60
-4X + 15x + xX = 60

Add '-15x' to each side of the equation.
-4X + 15x + -15x + xX = 60 + -15x

Combine like terms: 15x + -15x = 0
-4X + 0 + xX = 60 + -15x
-4X + xX = 60 + -15x

Reorder the terms:
-60 + -4X + 15x + xX = 60 + -15x + -60 + 15x

Reorder the terms:
-60 + -4X + 15x + xX = 60 + -60 + -15x + 15x

Combine like terms: 60 + -60 = 0
-60 + -4X + 15x + xX = 0 + -15x + 15x
-60 + -4X + 15x + xX = -15x + 15x

Combine like terms: -15x + 15x = 0
-60 + -4X + 15x + xX = 0

The solution to this equation could not be determined.

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