(X+4)(x-7)=0

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Solution for (X+4)(x-7)=0 equation:


Simplifying
(X + 4)(x + -7) = 0

Reorder the terms:
(4 + X)(x + -7) = 0

Reorder the terms:
(4 + X)(-7 + x) = 0

Multiply (4 + X) * (-7 + x)
(4(-7 + x) + X(-7 + x)) = 0
((-7 * 4 + x * 4) + X(-7 + x)) = 0
((-28 + 4x) + X(-7 + x)) = 0
(-28 + 4x + (-7 * X + x * X)) = 0
(-28 + 4x + (-7X + xX)) = 0

Reorder the terms:
(-28 + -7X + 4x + xX) = 0
(-28 + -7X + 4x + xX) = 0

Solving
-28 + -7X + 4x + xX = 0

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 + -7X + 4x + 28 + xX = 0 + 28

Reorder the terms:
-28 + 28 + -7X + 4x + xX = 0 + 28

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

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

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

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

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

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

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

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

The solution to this equation could not be determined.

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