(3x+1)(3x-5)=-10

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Solution for (3x+1)(3x-5)=-10 equation:


Simplifying
(3x + 1)(3x + -5) = -10

Reorder the terms:
(1 + 3x)(3x + -5) = -10

Reorder the terms:
(1 + 3x)(-5 + 3x) = -10

Multiply (1 + 3x) * (-5 + 3x)
(1(-5 + 3x) + 3x * (-5 + 3x)) = -10
((-5 * 1 + 3x * 1) + 3x * (-5 + 3x)) = -10
((-5 + 3x) + 3x * (-5 + 3x)) = -10
(-5 + 3x + (-5 * 3x + 3x * 3x)) = -10
(-5 + 3x + (-15x + 9x2)) = -10

Combine like terms: 3x + -15x = -12x
(-5 + -12x + 9x2) = -10

Solving
-5 + -12x + 9x2 = -10

Solving for variable 'x'.

Reorder the terms:
-5 + 10 + -12x + 9x2 = -10 + 10

Combine like terms: -5 + 10 = 5
5 + -12x + 9x2 = -10 + 10

Combine like terms: -10 + 10 = 0
5 + -12x + 9x2 = 0

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

Divide each side by '9'.
0.5555555556 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + -1.333333333x + -0.5555555556 + x2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + -1.333333333x + x2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + -1.333333333x + x2 = 0 + -0.5555555556
-1.333333333x + x2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
-1.333333333x + x2 = -0.5555555556

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 = -0.5555555556 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -0.5555555556 + 0.4444444442

Combine like terms: -0.5555555556 + 0.4444444442 = -0.1111111114
0.4444444442 + -1.333333333x + x2 = -0.1111111114

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -0.1111111114

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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