16z^2+61=6z

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Solution for 16z^2+61=6z equation:


Simplifying
16z2 + 61 = 6z

Reorder the terms:
61 + 16z2 = 6z

Solving
61 + 16z2 = 6z

Solving for variable 'z'.

Reorder the terms:
61 + -6z + 16z2 = 6z + -6z

Combine like terms: 6z + -6z = 0
61 + -6z + 16z2 = 0

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

Divide each side by '16'.
3.8125 + -0.375z + z2 = 0

Move the constant term to the right:

Add '-3.8125' to each side of the equation.
3.8125 + -0.375z + -3.8125 + z2 = 0 + -3.8125

Reorder the terms:
3.8125 + -3.8125 + -0.375z + z2 = 0 + -3.8125

Combine like terms: 3.8125 + -3.8125 = 0.0000
0.0000 + -0.375z + z2 = 0 + -3.8125
-0.375z + z2 = 0 + -3.8125

Combine like terms: 0 + -3.8125 = -3.8125
-0.375z + z2 = -3.8125

The z term is -0.375z.  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.
-0.375z + 0.03515625 + z2 = -3.8125 + 0.03515625

Reorder the terms:
0.03515625 + -0.375z + z2 = -3.8125 + 0.03515625

Combine like terms: -3.8125 + 0.03515625 = -3.77734375
0.03515625 + -0.375z + z2 = -3.77734375

Factor a perfect square on the left side:
(z + -0.1875)(z + -0.1875) = -3.77734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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