(X+5)(x+1)=21

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Solution for (X+5)(x+1)=21 equation:


Simplifying
(X + 5)(x + 1) = 21

Reorder the terms:
(5 + X)(x + 1) = 21

Reorder the terms:
(5 + X)(1 + x) = 21

Multiply (5 + X) * (1 + x)
(5(1 + x) + X(1 + x)) = 21
((1 * 5 + x * 5) + X(1 + x)) = 21
((5 + 5x) + X(1 + x)) = 21
(5 + 5x + (1 * X + x * X)) = 21
(5 + 5x + (1X + xX)) = 21

Reorder the terms:
(5 + 1X + 5x + xX) = 21
(5 + 1X + 5x + xX) = 21

Solving
5 + 1X + 5x + xX = 21

Solving for variable 'X'.

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

Add '-5' to each side of the equation.
5 + 1X + 5x + -5 + xX = 21 + -5

Reorder the terms:
5 + -5 + 1X + 5x + xX = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 1X + 5x + xX = 21 + -5
1X + 5x + xX = 21 + -5

Combine like terms: 21 + -5 = 16
1X + 5x + xX = 16

Add '-5x' to each side of the equation.
1X + 5x + -5x + xX = 16 + -5x

Combine like terms: 5x + -5x = 0
1X + 0 + xX = 16 + -5x
1X + xX = 16 + -5x

Reorder the terms:
-16 + 1X + 5x + xX = 16 + -5x + -16 + 5x

Reorder the terms:
-16 + 1X + 5x + xX = 16 + -16 + -5x + 5x

Combine like terms: 16 + -16 = 0
-16 + 1X + 5x + xX = 0 + -5x + 5x
-16 + 1X + 5x + xX = -5x + 5x

Combine like terms: -5x + 5x = 0
-16 + 1X + 5x + xX = 0

The solution to this equation could not be determined.

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