9x^2-30x+100=0

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Solution for 9x^2-30x+100=0 equation:


Simplifying
9x2 + -30x + 100 = 0

Reorder the terms:
100 + -30x + 9x2 = 0

Solving
100 + -30x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
11.11111111 + -3.333333333x + x2 = 0

Move the constant term to the right:

Add '-11.11111111' to each side of the equation.
11.11111111 + -3.333333333x + -11.11111111 + x2 = 0 + -11.11111111

Reorder the terms:
11.11111111 + -11.11111111 + -3.333333333x + x2 = 0 + -11.11111111

Combine like terms: 11.11111111 + -11.11111111 = 0.00000000
0.00000000 + -3.333333333x + x2 = 0 + -11.11111111
-3.333333333x + x2 = 0 + -11.11111111

Combine like terms: 0 + -11.11111111 = -11.11111111
-3.333333333x + x2 = -11.11111111

The x term is -3.333333333x.  Take half its coefficient (-1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
-3.333333333x + 2.777777779 + x2 = -11.11111111 + 2.777777779

Reorder the terms:
2.777777779 + -3.333333333x + x2 = -11.11111111 + 2.777777779

Combine like terms: -11.11111111 + 2.777777779 = -8.333333331
2.777777779 + -3.333333333x + x2 = -8.333333331

Factor a perfect square on the left side:
(x + -1.666666667)(x + -1.666666667) = -8.333333331

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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