41=15x+(-3)x^2

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Solution for 41=15x+(-3)x^2 equation:


Simplifying
41 = 15x + (-3) * x2

Solving
41 = 15x + -3x2

Solving for variable 'x'.

Reorder the terms:
41 + -15x + 3x2 = 15x + -15x + -3x2 + 3x2

Combine like terms: 15x + -15x = 0
41 + -15x + 3x2 = 0 + -3x2 + 3x2
41 + -15x + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
41 + -15x + 3x2 = 0

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

Divide each side by '3'.
13.66666667 + -5x + x2 = 0

Move the constant term to the right:

Add '-13.66666667' to each side of the equation.
13.66666667 + -5x + -13.66666667 + x2 = 0 + -13.66666667

Reorder the terms:
13.66666667 + -13.66666667 + -5x + x2 = 0 + -13.66666667

Combine like terms: 13.66666667 + -13.66666667 = 0.00000000
0.00000000 + -5x + x2 = 0 + -13.66666667
-5x + x2 = 0 + -13.66666667

Combine like terms: 0 + -13.66666667 = -13.66666667
-5x + x2 = -13.66666667

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -13.66666667 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -13.66666667 + 6.25

Combine like terms: -13.66666667 + 6.25 = -7.41666667
6.25 + -5x + x2 = -7.41666667

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -7.41666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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