(X+7)(x-4)=-18

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Solution for (X+7)(x-4)=-18 equation:


Simplifying
(X + 7)(x + -4) = -18

Reorder the terms:
(7 + X)(x + -4) = -18

Reorder the terms:
(7 + X)(-4 + x) = -18

Multiply (7 + X) * (-4 + x)
(7(-4 + x) + X(-4 + x)) = -18
((-4 * 7 + x * 7) + X(-4 + x)) = -18
((-28 + 7x) + X(-4 + x)) = -18
(-28 + 7x + (-4 * X + x * X)) = -18
(-28 + 7x + (-4X + xX)) = -18

Reorder the terms:
(-28 + -4X + 7x + xX) = -18
(-28 + -4X + 7x + xX) = -18

Solving
-28 + -4X + 7x + xX = -18

Solving for variable 'X'.

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

Add '28' to each side of the equation.
-28 + -4X + 7x + 28 + xX = -18 + 28

Reorder the terms:
-28 + 28 + -4X + 7x + xX = -18 + 28

Combine like terms: -28 + 28 = 0
0 + -4X + 7x + xX = -18 + 28
-4X + 7x + xX = -18 + 28

Combine like terms: -18 + 28 = 10
-4X + 7x + xX = 10

Add '-7x' to each side of the equation.
-4X + 7x + -7x + xX = 10 + -7x

Combine like terms: 7x + -7x = 0
-4X + 0 + xX = 10 + -7x
-4X + xX = 10 + -7x

Reorder the terms:
-10 + -4X + 7x + xX = 10 + -7x + -10 + 7x

Reorder the terms:
-10 + -4X + 7x + xX = 10 + -10 + -7x + 7x

Combine like terms: 10 + -10 = 0
-10 + -4X + 7x + xX = 0 + -7x + 7x
-10 + -4X + 7x + xX = -7x + 7x

Combine like terms: -7x + 7x = 0
-10 + -4X + 7x + xX = 0

The solution to this equation could not be determined.

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