4x-9x^2=224

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Solution for 4x-9x^2=224 equation:


Simplifying
4x + -9x2 = 224

Solving
4x + -9x2 = 224

Solving for variable 'x'.

Reorder the terms:
-224 + 4x + -9x2 = 224 + -224

Combine like terms: 224 + -224 = 0
-224 + 4x + -9x2 = 0

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

Divide each side by '-9'.
24.88888889 + -0.4444444444x + x2 = 0

Move the constant term to the right:

Add '-24.88888889' to each side of the equation.
24.88888889 + -0.4444444444x + -24.88888889 + x2 = 0 + -24.88888889

Reorder the terms:
24.88888889 + -24.88888889 + -0.4444444444x + x2 = 0 + -24.88888889

Combine like terms: 24.88888889 + -24.88888889 = 0.00000000
0.00000000 + -0.4444444444x + x2 = 0 + -24.88888889
-0.4444444444x + x2 = 0 + -24.88888889

Combine like terms: 0 + -24.88888889 = -24.88888889
-0.4444444444x + x2 = -24.88888889

The x term is -0.4444444444x.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444x + 0.04938271604 + x2 = -24.88888889 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444x + x2 = -24.88888889 + 0.04938271604

Combine like terms: -24.88888889 + 0.04938271604 = -24.83950617396
0.04938271604 + -0.4444444444x + x2 = -24.83950617396

Factor a perfect square on the left side:
(x + -0.2222222222)(x + -0.2222222222) = -24.83950617396

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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