x^2-3x+18-1=0

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Solution for x^2-3x+18-1=0 equation:


Simplifying
x2 + -3x + 18 + -1 = 0

Reorder the terms:
18 + -1 + -3x + x2 = 0

Combine like terms: 18 + -1 = 17
17 + -3x + x2 = 0

Solving
17 + -3x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -3x + -17 + x2 = 0 + -17

Reorder the terms:
17 + -17 + -3x + x2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -3x + x2 = 0 + -17
-3x + x2 = 0 + -17

Combine like terms: 0 + -17 = -17
-3x + x2 = -17

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = -17 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -17 + 2.25

Combine like terms: -17 + 2.25 = -14.75
2.25 + -3x + x2 = -14.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = -14.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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