3x=1+8x^2

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Solution for 3x=1+8x^2 equation:


Simplifying
3x = 1 + 8x2

Solving
3x = 1 + 8x2

Solving for variable 'x'.

Reorder the terms:
-1 + 3x + -8x2 = 1 + 8x2 + -1 + -8x2

Reorder the terms:
-1 + 3x + -8x2 = 1 + -1 + 8x2 + -8x2

Combine like terms: 1 + -1 = 0
-1 + 3x + -8x2 = 0 + 8x2 + -8x2
-1 + 3x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-1 + 3x + -8x2 = 0

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

Divide each side by '-8'.
0.125 + -0.375x + x2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + -0.375x + -0.125 + x2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + -0.375x + x2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + -0.375x + x2 = 0 + -0.125
-0.375x + x2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
-0.375x + x2 = -0.125

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 = -0.125 + 0.03515625

Reorder the terms:
0.03515625 + -0.375x + x2 = -0.125 + 0.03515625

Combine like terms: -0.125 + 0.03515625 = -0.08984375
0.03515625 + -0.375x + x2 = -0.08984375

Factor a perfect square on the left side:
(x + -0.1875)(x + -0.1875) = -0.08984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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