16x^2+2x+9=0

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Solution for 16x^2+2x+9=0 equation:


Simplifying
16x2 + 2x + 9 = 0

Reorder the terms:
9 + 2x + 16x2 = 0

Solving
9 + 2x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
0.5625 + 0.125x + x2 = 0

Move the constant term to the right:

Add '-0.5625' to each side of the equation.
0.5625 + 0.125x + -0.5625 + x2 = 0 + -0.5625

Reorder the terms:
0.5625 + -0.5625 + 0.125x + x2 = 0 + -0.5625

Combine like terms: 0.5625 + -0.5625 = 0.0000
0.0000 + 0.125x + x2 = 0 + -0.5625
0.125x + x2 = 0 + -0.5625

Combine like terms: 0 + -0.5625 = -0.5625
0.125x + x2 = -0.5625

The x term is 0.125x.  Take half its coefficient (0.0625).
Square it (0.00390625) and add it to both sides.

Add '0.00390625' to each side of the equation.
0.125x + 0.00390625 + x2 = -0.5625 + 0.00390625

Reorder the terms:
0.00390625 + 0.125x + x2 = -0.5625 + 0.00390625

Combine like terms: -0.5625 + 0.00390625 = -0.55859375
0.00390625 + 0.125x + x2 = -0.55859375

Factor a perfect square on the left side:
(x + 0.0625)(x + 0.0625) = -0.55859375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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