3y^2+20y+73=0

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Solution for 3y^2+20y+73=0 equation:


Simplifying
3y2 + 20y + 73 = 0

Reorder the terms:
73 + 20y + 3y2 = 0

Solving
73 + 20y + 3y2 = 0

Solving for variable 'y'.

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

Divide each side by '3'.
24.33333333 + 6.666666667y + y2 = 0

Move the constant term to the right:

Add '-24.33333333' to each side of the equation.
24.33333333 + 6.666666667y + -24.33333333 + y2 = 0 + -24.33333333

Reorder the terms:
24.33333333 + -24.33333333 + 6.666666667y + y2 = 0 + -24.33333333

Combine like terms: 24.33333333 + -24.33333333 = 0.00000000
0.00000000 + 6.666666667y + y2 = 0 + -24.33333333
6.666666667y + y2 = 0 + -24.33333333

Combine like terms: 0 + -24.33333333 = -24.33333333
6.666666667y + y2 = -24.33333333

The y term is 6.666666667y.  Take half its coefficient (3.333333334).
Square it (11.11111112) and add it to both sides.

Add '11.11111112' to each side of the equation.
6.666666667y + 11.11111112 + y2 = -24.33333333 + 11.11111112

Reorder the terms:
11.11111112 + 6.666666667y + y2 = -24.33333333 + 11.11111112

Combine like terms: -24.33333333 + 11.11111112 = -13.22222221
11.11111112 + 6.666666667y + y2 = -13.22222221

Factor a perfect square on the left side:
(y + 3.333333334)(y + 3.333333334) = -13.22222221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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