(17x^2+20x+11)+(15x^2+11x+17)=

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Solution for (17x^2+20x+11)+(15x^2+11x+17)= equation:


Simplifying
(17x2 + 20x + 11) + (15x2 + 11x + 17) = 0

Reorder the terms:
(11 + 20x + 17x2) + (15x2 + 11x + 17) = 0

Remove parenthesis around (11 + 20x + 17x2)
11 + 20x + 17x2 + (15x2 + 11x + 17) = 0

Reorder the terms:
11 + 20x + 17x2 + (17 + 11x + 15x2) = 0

Remove parenthesis around (17 + 11x + 15x2)
11 + 20x + 17x2 + 17 + 11x + 15x2 = 0

Reorder the terms:
11 + 17 + 20x + 11x + 17x2 + 15x2 = 0

Combine like terms: 11 + 17 = 28
28 + 20x + 11x + 17x2 + 15x2 = 0

Combine like terms: 20x + 11x = 31x
28 + 31x + 17x2 + 15x2 = 0

Combine like terms: 17x2 + 15x2 = 32x2
28 + 31x + 32x2 = 0

Solving
28 + 31x + 32x2 = 0

Solving for variable 'x'.

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

Divide each side by '32'.
0.875 + 0.96875x + x2 = 0

Move the constant term to the right:

Add '-0.875' to each side of the equation.
0.875 + 0.96875x + -0.875 + x2 = 0 + -0.875

Reorder the terms:
0.875 + -0.875 + 0.96875x + x2 = 0 + -0.875

Combine like terms: 0.875 + -0.875 = 0.000
0.000 + 0.96875x + x2 = 0 + -0.875
0.96875x + x2 = 0 + -0.875

Combine like terms: 0 + -0.875 = -0.875
0.96875x + x2 = -0.875

The x term is 0.96875x.  Take half its coefficient (0.484375).
Square it (0.2346191406) and add it to both sides.

Add '0.2346191406' to each side of the equation.
0.96875x + 0.2346191406 + x2 = -0.875 + 0.2346191406

Reorder the terms:
0.2346191406 + 0.96875x + x2 = -0.875 + 0.2346191406

Combine like terms: -0.875 + 0.2346191406 = -0.6403808594
0.2346191406 + 0.96875x + x2 = -0.6403808594

Factor a perfect square on the left side:
(x + 0.484375)(x + 0.484375) = -0.6403808594

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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