(13x^2+17x+9)+(16x^2+13x+7)=

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Solution for (13x^2+17x+9)+(16x^2+13x+7)= equation:


Simplifying
(13x2 + 17x + 9) + (16x2 + 13x + 7) = 0

Reorder the terms:
(9 + 17x + 13x2) + (16x2 + 13x + 7) = 0

Remove parenthesis around (9 + 17x + 13x2)
9 + 17x + 13x2 + (16x2 + 13x + 7) = 0

Reorder the terms:
9 + 17x + 13x2 + (7 + 13x + 16x2) = 0

Remove parenthesis around (7 + 13x + 16x2)
9 + 17x + 13x2 + 7 + 13x + 16x2 = 0

Reorder the terms:
9 + 7 + 17x + 13x + 13x2 + 16x2 = 0

Combine like terms: 9 + 7 = 16
16 + 17x + 13x + 13x2 + 16x2 = 0

Combine like terms: 17x + 13x = 30x
16 + 30x + 13x2 + 16x2 = 0

Combine like terms: 13x2 + 16x2 = 29x2
16 + 30x + 29x2 = 0

Solving
16 + 30x + 29x2 = 0

Solving for variable 'x'.

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

Divide each side by '29'.
0.5517241379 + 1.034482759x + x2 = 0

Move the constant term to the right:

Add '-0.5517241379' to each side of the equation.
0.5517241379 + 1.034482759x + -0.5517241379 + x2 = 0 + -0.5517241379

Reorder the terms:
0.5517241379 + -0.5517241379 + 1.034482759x + x2 = 0 + -0.5517241379

Combine like terms: 0.5517241379 + -0.5517241379 = 0.0000000000
0.0000000000 + 1.034482759x + x2 = 0 + -0.5517241379
1.034482759x + x2 = 0 + -0.5517241379

Combine like terms: 0 + -0.5517241379 = -0.5517241379
1.034482759x + x2 = -0.5517241379

The x term is 1.034482759x.  Take half its coefficient (0.5172413795).
Square it (0.2675386447) and add it to both sides.

Add '0.2675386447' to each side of the equation.
1.034482759x + 0.2675386447 + x2 = -0.5517241379 + 0.2675386447

Reorder the terms:
0.2675386447 + 1.034482759x + x2 = -0.5517241379 + 0.2675386447

Combine like terms: -0.5517241379 + 0.2675386447 = -0.2841854932
0.2675386447 + 1.034482759x + x2 = -0.2841854932

Factor a perfect square on the left side:
(x + 0.5172413795)(x + 0.5172413795) = -0.2841854932

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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