4x-5*9=3x^2

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Solution for 4x-5*9=3x^2 equation:


Simplifying
4x + -5 * 9 = 3x2

Multiply -5 * 9
4x + -45 = 3x2

Reorder the terms:
-45 + 4x = 3x2

Solving
-45 + 4x = 3x2

Solving for variable 'x'.

Combine like terms: 3x2 + -3x2 = 0
-45 + 4x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
15 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -1.333333333x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -1.333333333x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1.333333333x + x2 = 0 + -15
-1.333333333x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-1.333333333x + x2 = -15

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -15 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -15 + 0.4444444442

Combine like terms: -15 + 0.4444444442 = -14.5555555558
0.4444444442 + -1.333333333x + x2 = -14.5555555558

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -14.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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