-9x^2+36x=43

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Solution for -9x^2+36x=43 equation:


Simplifying
-9x2 + 36x = 43

Reorder the terms:
36x + -9x2 = 43

Solving
36x + -9x2 = 43

Solving for variable 'x'.

Reorder the terms:
-43 + 36x + -9x2 = 43 + -43

Combine like terms: 43 + -43 = 0
-43 + 36x + -9x2 = 0

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

Divide each side by '-9'.
4.777777778 + -4x + x2 = 0

Move the constant term to the right:

Add '-4.777777778' to each side of the equation.
4.777777778 + -4x + -4.777777778 + x2 = 0 + -4.777777778

Reorder the terms:
4.777777778 + -4.777777778 + -4x + x2 = 0 + -4.777777778

Combine like terms: 4.777777778 + -4.777777778 = 0.000000000
0.000000000 + -4x + x2 = 0 + -4.777777778
-4x + x2 = 0 + -4.777777778

Combine like terms: 0 + -4.777777778 = -4.777777778
-4x + x2 = -4.777777778

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 = -4.777777778 + 4

Reorder the terms:
4 + -4x + x2 = -4.777777778 + 4

Combine like terms: -4.777777778 + 4 = -0.777777778
4 + -4x + x2 = -0.777777778

Factor a perfect square on the left side:
(x + -2)(x + -2) = -0.777777778

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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