(8x^2-8x-3)+(6x^2+5x+9)=

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Solution for (8x^2-8x-3)+(6x^2+5x+9)= equation:


Simplifying
(8x2 + -8x + -3) + (6x2 + 5x + 9) = 0

Reorder the terms:
(-3 + -8x + 8x2) + (6x2 + 5x + 9) = 0

Remove parenthesis around (-3 + -8x + 8x2)
-3 + -8x + 8x2 + (6x2 + 5x + 9) = 0

Reorder the terms:
-3 + -8x + 8x2 + (9 + 5x + 6x2) = 0

Remove parenthesis around (9 + 5x + 6x2)
-3 + -8x + 8x2 + 9 + 5x + 6x2 = 0

Reorder the terms:
-3 + 9 + -8x + 5x + 8x2 + 6x2 = 0

Combine like terms: -3 + 9 = 6
6 + -8x + 5x + 8x2 + 6x2 = 0

Combine like terms: -8x + 5x = -3x
6 + -3x + 8x2 + 6x2 = 0

Combine like terms: 8x2 + 6x2 = 14x2
6 + -3x + 14x2 = 0

Solving
6 + -3x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
0.4285714286 + -0.2142857143x + x2 = 0

Move the constant term to the right:

Add '-0.4285714286' to each side of the equation.
0.4285714286 + -0.2142857143x + -0.4285714286 + x2 = 0 + -0.4285714286

Reorder the terms:
0.4285714286 + -0.4285714286 + -0.2142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000
0.0000000000 + -0.2142857143x + x2 = 0 + -0.4285714286
-0.2142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0 + -0.4285714286 = -0.4285714286
-0.2142857143x + x2 = -0.4285714286

The x term is -0.2142857143x.  Take half its coefficient (-0.1071428572).
Square it (0.01147959185) and add it to both sides.

Add '0.01147959185' to each side of the equation.
-0.2142857143x + 0.01147959185 + x2 = -0.4285714286 + 0.01147959185

Reorder the terms:
0.01147959185 + -0.2142857143x + x2 = -0.4285714286 + 0.01147959185

Combine like terms: -0.4285714286 + 0.01147959185 = -0.41709183675
0.01147959185 + -0.2142857143x + x2 = -0.41709183675

Factor a perfect square on the left side:
(x + -0.1071428572)(x + -0.1071428572) = -0.41709183675

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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