(9x)(9x)+18x+8=0

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Solution for (9x)(9x)+18x+8=0 equation:


Simplifying
(9x)(9x) + 18x + 8 = 0

Remove parenthesis around (9x)
9x(9x) + 18x + 8 = 0

Remove parenthesis around (9x)
9x * 9x + 18x + 8 = 0

Reorder the terms for easier multiplication:
9 * 9x * x + 18x + 8 = 0

Multiply 9 * 9
81x * x + 18x + 8 = 0

Multiply x * x
81x2 + 18x + 8 = 0

Reorder the terms:
8 + 18x + 81x2 = 0

Solving
8 + 18x + 81x2 = 0

Solving for variable 'x'.

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

Divide each side by '81'.
0.0987654321 + 0.2222222222x + x2 = 0

Move the constant term to the right:

Add '-0.0987654321' to each side of the equation.
0.0987654321 + 0.2222222222x + -0.0987654321 + x2 = 0 + -0.0987654321

Reorder the terms:
0.0987654321 + -0.0987654321 + 0.2222222222x + x2 = 0 + -0.0987654321

Combine like terms: 0.0987654321 + -0.0987654321 = 0.0000000000
0.0000000000 + 0.2222222222x + x2 = 0 + -0.0987654321
0.2222222222x + x2 = 0 + -0.0987654321

Combine like terms: 0 + -0.0987654321 = -0.0987654321
0.2222222222x + x2 = -0.0987654321

The x term is 0.2222222222x.  Take half its coefficient (0.1111111111).
Square it (0.01234567901) and add it to both sides.

Add '0.01234567901' to each side of the equation.
0.2222222222x + 0.01234567901 + x2 = -0.0987654321 + 0.01234567901

Reorder the terms:
0.01234567901 + 0.2222222222x + x2 = -0.0987654321 + 0.01234567901

Combine like terms: -0.0987654321 + 0.01234567901 = -0.08641975309
0.01234567901 + 0.2222222222x + x2 = -0.08641975309

Factor a perfect square on the left side:
(x + 0.1111111111)(x + 0.1111111111) = -0.08641975309

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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