0=-(x^2)+1.8X+2.5

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Solution for 0=-(x^2)+1.8X+2.5 equation: 


Simplifying
0 = -1(x2) + 1.8X + 2.5

Reorder the terms:
0 = 2.5 + 1.8X + -1x2

Solving
0 = 2.5 + 1.8X + -1x2

Solving for variable 'X'.

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

Add '-1.8X' to each side of the equation.
0 + -1.8X = 2.5 + 1.8X + -1.8X + -1x2
Remove the zero:
-1.8X = 2.5 + 1.8X + -1.8X + -1x2

Combine like terms: 1.8X + -1.8X = 0.0
-1.8X = 2.5 + 0.0 + -1x2
-1.8X = 2.5 + -1x2

Divide each side by '-1.8'.
X = -1.388888889 + 0.5555555556x2

Simplifying
X = -1.388888889 + 0.5555555556x2

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