14x-3x^2-47=0

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Solution for 14x-3x^2-47=0 equation:


Simplifying
14x + -3x2 + -47 = 0

Reorder the terms:
-47 + 14x + -3x2 = 0

Solving
-47 + 14x + -3x2 = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
15.66666667 + -4.666666667x + x2 = 0

Move the constant term to the right:

Add '-15.66666667' to each side of the equation.
15.66666667 + -4.666666667x + -15.66666667 + x2 = 0 + -15.66666667

Reorder the terms:
15.66666667 + -15.66666667 + -4.666666667x + x2 = 0 + -15.66666667

Combine like terms: 15.66666667 + -15.66666667 = 0.00000000
0.00000000 + -4.666666667x + x2 = 0 + -15.66666667
-4.666666667x + x2 = 0 + -15.66666667

Combine like terms: 0 + -15.66666667 = -15.66666667
-4.666666667x + x2 = -15.66666667

The x term is -4.666666667x.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667x + 5.444444448 + x2 = -15.66666667 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667x + x2 = -15.66666667 + 5.444444448

Combine like terms: -15.66666667 + 5.444444448 = -10.222222222
5.444444448 + -4.666666667x + x2 = -10.222222222

Factor a perfect square on the left side:
(x + -2.333333334)(x + -2.333333334) = -10.222222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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