15x^2-45x+146=0

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Solution for 15x^2-45x+146=0 equation:


Simplifying
15x2 + -45x + 146 = 0

Reorder the terms:
146 + -45x + 15x2 = 0

Solving
146 + -45x + 15x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
15 the coefficient of the squared term: 

Divide each side by '15'.
9.733333333 + -3x + x2 = 0

Move the constant term to the right:

Add '-9.733333333' to each side of the equation.
9.733333333 + -3x + -9.733333333 + x2 = 0 + -9.733333333

Reorder the terms:
9.733333333 + -9.733333333 + -3x + x2 = 0 + -9.733333333

Combine like terms: 9.733333333 + -9.733333333 = 0.000000000
0.000000000 + -3x + x2 = 0 + -9.733333333
-3x + x2 = 0 + -9.733333333

Combine like terms: 0 + -9.733333333 = -9.733333333
-3x + x2 = -9.733333333

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 = -9.733333333 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -9.733333333 + 2.25

Combine like terms: -9.733333333 + 2.25 = -7.483333333
2.25 + -3x + x2 = -7.483333333

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = -7.483333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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