a^2-3a+13=0

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Solution for a^2-3a+13=0 equation:


Simplifying
a2 + -3a + 13 = 0

Reorder the terms:
13 + -3a + a2 = 0

Solving
13 + -3a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-13' to each side of the equation.
13 + -3a + -13 + a2 = 0 + -13

Reorder the terms:
13 + -13 + -3a + a2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -3a + a2 = 0 + -13
-3a + a2 = 0 + -13

Combine like terms: 0 + -13 = -13
-3a + a2 = -13

The a term is -3a.  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.
-3a + 2.25 + a2 = -13 + 2.25

Reorder the terms:
2.25 + -3a + a2 = -13 + 2.25

Combine like terms: -13 + 2.25 = -10.75
2.25 + -3a + a2 = -10.75

Factor a perfect square on the left side:
(a + -1.5)(a + -1.5) = -10.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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