-9x^2+36x=38

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Solution for -9x^2+36x=38 equation:


Simplifying
-9x2 + 36x = 38

Reorder the terms:
36x + -9x2 = 38

Solving
36x + -9x2 = 38

Solving for variable 'x'.

Reorder the terms:
-38 + 36x + -9x2 = 38 + -38

Combine like terms: 38 + -38 = 0
-38 + 36x + -9x2 = 0

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

Divide each side by '-9'.
4.222222222 + -4x + x2 = 0

Move the constant term to the right:

Add '-4.222222222' to each side of the equation.
4.222222222 + -4x + -4.222222222 + x2 = 0 + -4.222222222

Reorder the terms:
4.222222222 + -4.222222222 + -4x + x2 = 0 + -4.222222222

Combine like terms: 4.222222222 + -4.222222222 = 0.000000000
0.000000000 + -4x + x2 = 0 + -4.222222222
-4x + x2 = 0 + -4.222222222

Combine like terms: 0 + -4.222222222 = -4.222222222
-4x + x2 = -4.222222222

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -4.222222222 + 4

Reorder the terms:
4 + -4x + x2 = -4.222222222 + 4

Combine like terms: -4.222222222 + 4 = -0.222222222
4 + -4x + x2 = -0.222222222

Factor a perfect square on the left side:
(x + -2)(x + -2) = -0.222222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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