(11x^2+7x+5)+(9x+3)=0

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Solution for (11x^2+7x+5)+(9x+3)=0 equation:


Simplifying
(11x2 + 7x + 5) + (9x + 3) = 0

Reorder the terms:
(5 + 7x + 11x2) + (9x + 3) = 0

Remove parenthesis around (5 + 7x + 11x2)
5 + 7x + 11x2 + (9x + 3) = 0

Reorder the terms:
5 + 7x + 11x2 + (3 + 9x) = 0

Remove parenthesis around (3 + 9x)
5 + 7x + 11x2 + 3 + 9x = 0

Reorder the terms:
5 + 3 + 7x + 9x + 11x2 = 0

Combine like terms: 5 + 3 = 8
8 + 7x + 9x + 11x2 = 0

Combine like terms: 7x + 9x = 16x
8 + 16x + 11x2 = 0

Solving
8 + 16x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
0.7272727273 + 1.454545455x + x2 = 0

Move the constant term to the right:

Add '-0.7272727273' to each side of the equation.
0.7272727273 + 1.454545455x + -0.7272727273 + x2 = 0 + -0.7272727273

Reorder the terms:
0.7272727273 + -0.7272727273 + 1.454545455x + x2 = 0 + -0.7272727273

Combine like terms: 0.7272727273 + -0.7272727273 = 0.0000000000
0.0000000000 + 1.454545455x + x2 = 0 + -0.7272727273
1.454545455x + x2 = 0 + -0.7272727273

Combine like terms: 0 + -0.7272727273 = -0.7272727273
1.454545455x + x2 = -0.7272727273

The x term is 1.454545455x.  Take half its coefficient (0.7272727275).
Square it (0.5289256202) and add it to both sides.

Add '0.5289256202' to each side of the equation.
1.454545455x + 0.5289256202 + x2 = -0.7272727273 + 0.5289256202

Reorder the terms:
0.5289256202 + 1.454545455x + x2 = -0.7272727273 + 0.5289256202

Combine like terms: -0.7272727273 + 0.5289256202 = -0.1983471071
0.5289256202 + 1.454545455x + x2 = -0.1983471071

Factor a perfect square on the left side:
(x + 0.7272727275)(x + 0.7272727275) = -0.1983471071

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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