(X-5)(x+4)=72

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Solution for (X-5)(x+4)=72 equation:


Simplifying
(X + -5)(x + 4) = 72

Reorder the terms:
(-5 + X)(x + 4) = 72

Reorder the terms:
(-5 + X)(4 + x) = 72

Multiply (-5 + X) * (4 + x)
(-5(4 + x) + X(4 + x)) = 72
((4 * -5 + x * -5) + X(4 + x)) = 72
((-20 + -5x) + X(4 + x)) = 72
(-20 + -5x + (4 * X + x * X)) = 72
(-20 + -5x + (4X + xX)) = 72

Reorder the terms:
(-20 + 4X + -5x + xX) = 72
(-20 + 4X + -5x + xX) = 72

Solving
-20 + 4X + -5x + xX = 72

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + 4X + -5x + 20 + xX = 72 + 20

Reorder the terms:
-20 + 20 + 4X + -5x + xX = 72 + 20

Combine like terms: -20 + 20 = 0
0 + 4X + -5x + xX = 72 + 20
4X + -5x + xX = 72 + 20

Combine like terms: 72 + 20 = 92
4X + -5x + xX = 92

Add '5x' to each side of the equation.
4X + -5x + 5x + xX = 92 + 5x

Combine like terms: -5x + 5x = 0
4X + 0 + xX = 92 + 5x
4X + xX = 92 + 5x

Reorder the terms:
-92 + 4X + -5x + xX = 92 + 5x + -92 + -5x

Reorder the terms:
-92 + 4X + -5x + xX = 92 + -92 + 5x + -5x

Combine like terms: 92 + -92 = 0
-92 + 4X + -5x + xX = 0 + 5x + -5x
-92 + 4X + -5x + xX = 5x + -5x

Combine like terms: 5x + -5x = 0
-92 + 4X + -5x + xX = 0

The solution to this equation could not be determined.

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