-X^2=100-20x

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Solution for -X^2=100-20x equation:


Simplifying
-1X2 = 100 + -20x

Solving
-1X2 = 100 + -20x

Solving for variable 'X'.

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

Divide each side by '-1'.
X2 = -100 + 20x

Simplifying
X2 = -100 + 20x

Reorder the terms:
100 + X2 + -20x = -100 + 20x + 100 + -20x

Reorder the terms:
100 + X2 + -20x = -100 + 100 + 20x + -20x

Combine like terms: -100 + 100 = 0
100 + X2 + -20x = 0 + 20x + -20x
100 + X2 + -20x = 20x + -20x

Combine like terms: 20x + -20x = 0
100 + X2 + -20x = 0

The solution to this equation could not be determined.

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