-X^2+10x=19.8

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Solution for -X^2+10x=19.8 equation: 


Simplifying
-1X2 + 10x = 19.8

Solving
-1X2 + 10x = 19.8

Solving for variable 'X'.

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

Add '-10x' to each side of the equation.
-1X2 + 10x + -10x = 19.8 + -10x

Combine like terms: 10x + -10x = 0
-1X2 + 0 = 19.8 + -10x
-1X2 = 19.8 + -10x

Divide each side by '-1'.
X2 = -19.8 + 10x

Simplifying
X2 = -19.8 + 10x

Reorder the terms:
19.8 + X2 + -10x = -19.8 + 10x + 19.8 + -10x

Reorder the terms:
19.8 + X2 + -10x = -19.8 + 19.8 + 10x + -10x

Combine like terms: -19.8 + 19.8 = 0.0
19.8 + X2 + -10x = 0.0 + 10x + -10x
19.8 + X2 + -10x = 10x + -10x

Combine like terms: 10x + -10x = 0
19.8 + X2 + -10x = 0

The solution to this equation could not be determined.

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