9z^2-24z+19=0

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Solution for 9z^2-24z+19=0 equation:


Simplifying
9z2 + -24z + 19 = 0

Reorder the terms:
19 + -24z + 9z2 = 0

Solving
19 + -24z + 9z2 = 0

Solving for variable 'z'.

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

Divide each side by '9'.
2.111111111 + -2.666666667z + z2 = 0

Move the constant term to the right:

Add '-2.111111111' to each side of the equation.
2.111111111 + -2.666666667z + -2.111111111 + z2 = 0 + -2.111111111

Reorder the terms:
2.111111111 + -2.111111111 + -2.666666667z + z2 = 0 + -2.111111111

Combine like terms: 2.111111111 + -2.111111111 = 0.000000000
0.000000000 + -2.666666667z + z2 = 0 + -2.111111111
-2.666666667z + z2 = 0 + -2.111111111

Combine like terms: 0 + -2.111111111 = -2.111111111
-2.666666667z + z2 = -2.111111111

The z term is -2.666666667z.  Take half its coefficient (-1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
-2.666666667z + 1.777777780 + z2 = -2.111111111 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667z + z2 = -2.111111111 + 1.777777780

Combine like terms: -2.111111111 + 1.777777780 = -0.333333331
1.777777780 + -2.666666667z + z2 = -0.333333331

Factor a perfect square on the left side:
(z + -1.333333334)(z + -1.333333334) = -0.333333331

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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