x(8x+3)+27=0

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Solution for x(8x+3)+27=0 equation:


Simplifying
x(8x + 3) + 27 = 0

Reorder the terms:
x(3 + 8x) + 27 = 0
(3 * x + 8x * x) + 27 = 0
(3x + 8x2) + 27 = 0

Reorder the terms:
27 + 3x + 8x2 = 0

Solving
27 + 3x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
3.375 + 0.375x + x2 = 0

Move the constant term to the right:

Add '-3.375' to each side of the equation.
3.375 + 0.375x + -3.375 + x2 = 0 + -3.375

Reorder the terms:
3.375 + -3.375 + 0.375x + x2 = 0 + -3.375

Combine like terms: 3.375 + -3.375 = 0.000
0.000 + 0.375x + x2 = 0 + -3.375
0.375x + x2 = 0 + -3.375

Combine like terms: 0 + -3.375 = -3.375
0.375x + x2 = -3.375

The x term is 0.375x.  Take half its coefficient (0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
0.375x + 0.03515625 + x2 = -3.375 + 0.03515625

Reorder the terms:
0.03515625 + 0.375x + x2 = -3.375 + 0.03515625

Combine like terms: -3.375 + 0.03515625 = -3.33984375
0.03515625 + 0.375x + x2 = -3.33984375

Factor a perfect square on the left side:
(x + 0.1875)(x + 0.1875) = -3.33984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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