16x^2-40x+61=0

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Solution for 16x^2-40x+61=0 equation:


Simplifying
16x2 + -40x + 61 = 0

Reorder the terms:
61 + -40x + 16x2 = 0

Solving
61 + -40x + 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'.
3.8125 + -2.5x + x2 = 0

Move the constant term to the right:

Add '-3.8125' to each side of the equation.
3.8125 + -2.5x + -3.8125 + x2 = 0 + -3.8125

Reorder the terms:
3.8125 + -3.8125 + -2.5x + x2 = 0 + -3.8125

Combine like terms: 3.8125 + -3.8125 = 0.0000
0.0000 + -2.5x + x2 = 0 + -3.8125
-2.5x + x2 = 0 + -3.8125

Combine like terms: 0 + -3.8125 = -3.8125
-2.5x + x2 = -3.8125

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = -3.8125 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -3.8125 + 1.5625

Combine like terms: -3.8125 + 1.5625 = -2.25
1.5625 + -2.5x + x2 = -2.25

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = -2.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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