65x^2+13x+4=0

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Solution for 65x^2+13x+4=0 equation:


Simplifying
65x2 + 13x + 4 = 0

Reorder the terms:
4 + 13x + 65x2 = 0

Solving
4 + 13x + 65x2 = 0

Solving for variable 'x'.

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

Divide each side by '65'.
0.06153846154 + 0.2x + x2 = 0

Move the constant term to the right:

Add '-0.06153846154' to each side of the equation.
0.06153846154 + 0.2x + -0.06153846154 + x2 = 0 + -0.06153846154

Reorder the terms:
0.06153846154 + -0.06153846154 + 0.2x + x2 = 0 + -0.06153846154

Combine like terms: 0.06153846154 + -0.06153846154 = 0.00000000000
0.00000000000 + 0.2x + x2 = 0 + -0.06153846154
0.2x + x2 = 0 + -0.06153846154

Combine like terms: 0 + -0.06153846154 = -0.06153846154
0.2x + x2 = -0.06153846154

The x term is 0.2x.  Take half its coefficient (0.1).
Square it (0.01) and add it to both sides.

Add '0.01' to each side of the equation.
0.2x + 0.01 + x2 = -0.06153846154 + 0.01

Reorder the terms:
0.01 + 0.2x + x2 = -0.06153846154 + 0.01

Combine like terms: -0.06153846154 + 0.01 = -0.05153846154
0.01 + 0.2x + x2 = -0.05153846154

Factor a perfect square on the left side:
(x + 0.1)(x + 0.1) = -0.05153846154

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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