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

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


Simplifying
(x2 + -5) + (8x2 + 5x + 9) + -1(-8x2 + 3) = 0

Reorder the terms:
(-5 + x2) + (8x2 + 5x + 9) + -1(-8x2 + 3) = 0

Remove parenthesis around (-5 + x2)
-5 + x2 + (8x2 + 5x + 9) + -1(-8x2 + 3) = 0

Reorder the terms:
-5 + x2 + (9 + 5x + 8x2) + -1(-8x2 + 3) = 0

Remove parenthesis around (9 + 5x + 8x2)
-5 + x2 + 9 + 5x + 8x2 + -1(-8x2 + 3) = 0

Reorder the terms:
-5 + x2 + 9 + 5x + 8x2 + -1(3 + -8x2) = 0
-5 + x2 + 9 + 5x + 8x2 + (3 * -1 + -8x2 * -1) = 0
-5 + x2 + 9 + 5x + 8x2 + (-3 + 8x2) = 0

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

Combine like terms: -5 + 9 = 4
4 + -3 + 5x + x2 + 8x2 + 8x2 = 0

Combine like terms: 4 + -3 = 1
1 + 5x + x2 + 8x2 + 8x2 = 0

Combine like terms: x2 + 8x2 = 9x2
1 + 5x + 9x2 + 8x2 = 0

Combine like terms: 9x2 + 8x2 = 17x2
1 + 5x + 17x2 = 0

Solving
1 + 5x + 17x2 = 0

Solving for variable 'x'.

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

Divide each side by '17'.
0.05882352941 + 0.2941176471x + x2 = 0

Move the constant term to the right:

Add '-0.05882352941' to each side of the equation.
0.05882352941 + 0.2941176471x + -0.05882352941 + x2 = 0 + -0.05882352941

Reorder the terms:
0.05882352941 + -0.05882352941 + 0.2941176471x + x2 = 0 + -0.05882352941

Combine like terms: 0.05882352941 + -0.05882352941 = 0.00000000000
0.00000000000 + 0.2941176471x + x2 = 0 + -0.05882352941
0.2941176471x + x2 = 0 + -0.05882352941

Combine like terms: 0 + -0.05882352941 = -0.05882352941
0.2941176471x + x2 = -0.05882352941

The x term is 0.2941176471x.  Take half its coefficient (0.1470588236).
Square it (0.02162629760) and add it to both sides.

Add '0.02162629760' to each side of the equation.
0.2941176471x + 0.02162629760 + x2 = -0.05882352941 + 0.02162629760

Reorder the terms:
0.02162629760 + 0.2941176471x + x2 = -0.05882352941 + 0.02162629760

Combine like terms: -0.05882352941 + 0.02162629760 = -0.03719723181
0.02162629760 + 0.2941176471x + x2 = -0.03719723181

Factor a perfect square on the left side:
(x + 0.1470588236)(x + 0.1470588236) = -0.03719723181

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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