(X+9)(x-10)=0

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Solution for (X+9)(x-10)=0 equation:


Simplifying
(X + 9)(x + -10) = 0

Reorder the terms:
(9 + X)(x + -10) = 0

Reorder the terms:
(9 + X)(-10 + x) = 0

Multiply (9 + X) * (-10 + x)
(9(-10 + x) + X(-10 + x)) = 0
((-10 * 9 + x * 9) + X(-10 + x)) = 0
((-90 + 9x) + X(-10 + x)) = 0
(-90 + 9x + (-10 * X + x * X)) = 0
(-90 + 9x + (-10X + xX)) = 0

Reorder the terms:
(-90 + -10X + 9x + xX) = 0
(-90 + -10X + 9x + xX) = 0

Solving
-90 + -10X + 9x + xX = 0

Solving for variable 'X'.

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

Add '90' to each side of the equation.
-90 + -10X + 9x + 90 + xX = 0 + 90

Reorder the terms:
-90 + 90 + -10X + 9x + xX = 0 + 90

Combine like terms: -90 + 90 = 0
0 + -10X + 9x + xX = 0 + 90
-10X + 9x + xX = 0 + 90

Combine like terms: 0 + 90 = 90
-10X + 9x + xX = 90

Add '-9x' to each side of the equation.
-10X + 9x + -9x + xX = 90 + -9x

Combine like terms: 9x + -9x = 0
-10X + 0 + xX = 90 + -9x
-10X + xX = 90 + -9x

Reorder the terms:
-90 + -10X + 9x + xX = 90 + -9x + -90 + 9x

Reorder the terms:
-90 + -10X + 9x + xX = 90 + -90 + -9x + 9x

Combine like terms: 90 + -90 = 0
-90 + -10X + 9x + xX = 0 + -9x + 9x
-90 + -10X + 9x + xX = -9x + 9x

Combine like terms: -9x + 9x = 0
-90 + -10X + 9x + xX = 0

The solution to this equation could not be determined.

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