[X-3][x+7]=0

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Solution for [X-3][x+7]=0 equation:


Simplifying
[X + -3][x + 7] = 0

Reorder the terms:
[-3 + X][x + 7] = 0

Reorder the terms:
[-3 + X][7 + x] = 0

Multiply [-3 + X] * [7 + x]
[-3[7 + x] + X[7 + x]] = 0
[[7 * -3 + x * -3] + X[7 + x]] = 0
[[-21 + -3x] + X[7 + x]] = 0
[-21 + -3x + [7 * X + x * X]] = 0
[-21 + -3x + [7X + xX]] = 0

Reorder the terms:
[-21 + 7X + -3x + xX] = 0
[-21 + 7X + -3x + xX] = 0

Solving
-21 + 7X + -3x + xX = 0

Solving for variable 'X'.

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

Add '21' to each side of the equation.
-21 + 7X + -3x + 21 + xX = 0 + 21

Reorder the terms:
-21 + 21 + 7X + -3x + xX = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 7X + -3x + xX = 0 + 21
7X + -3x + xX = 0 + 21

Combine like terms: 0 + 21 = 21
7X + -3x + xX = 21

Add '3x' to each side of the equation.
7X + -3x + 3x + xX = 21 + 3x

Combine like terms: -3x + 3x = 0
7X + 0 + xX = 21 + 3x
7X + xX = 21 + 3x

Reorder the terms:
-21 + 7X + -3x + xX = 21 + 3x + -21 + -3x

Reorder the terms:
-21 + 7X + -3x + xX = 21 + -21 + 3x + -3x

Combine like terms: 21 + -21 = 0
-21 + 7X + -3x + xX = 0 + 3x + -3x
-21 + 7X + -3x + xX = 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + 7X + -3x + xX = 0

The solution to this equation could not be determined.

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