x^2-3x+168=0

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Solution for x^2-3x+168=0 equation:


Simplifying
x2 + -3x + 168 = 0

Reorder the terms:
168 + -3x + x2 = 0

Solving
168 + -3x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-168' to each side of the equation.
168 + -3x + -168 + x2 = 0 + -168

Reorder the terms:
168 + -168 + -3x + x2 = 0 + -168

Combine like terms: 168 + -168 = 0
0 + -3x + x2 = 0 + -168
-3x + x2 = 0 + -168

Combine like terms: 0 + -168 = -168
-3x + x2 = -168

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 = -168 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -168 + 2.25

Combine like terms: -168 + 2.25 = -165.75
2.25 + -3x + x2 = -165.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = -165.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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