3y^2+17y-10=0

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Solution for 3y^2+17y-10=0 equation: 


Simplifying
3y2 + 17y + -10 = 0

Reorder the terms:
-10 + 17y + 3y2 = 0

Solving
-10 + 17y + 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'.
-3.333333333 + 5.666666667y + y2 = 0

Move the constant term to the right:

Add '3.333333333' to each side of the equation.
-3.333333333 + 5.666666667y + 3.333333333 + y2 = 0 + 3.333333333

Reorder the terms:
-3.333333333 + 3.333333333 + 5.666666667y + y2 = 0 + 3.333333333

Combine like terms: -3.333333333 + 3.333333333 = 0.000000000
0.000000000 + 5.666666667y + y2 = 0 + 3.333333333
5.666666667y + y2 = 0 + 3.333333333

Combine like terms: 0 + 3.333333333 = 3.333333333
5.666666667y + y2 = 3.333333333

The y term is 5.666666667y.  Take half its coefficient (2.833333334).
Square it (8.027777782) and add it to both sides.

Add '8.027777782' to each side of the equation.
5.666666667y + 8.027777782 + y2 = 3.333333333 + 8.027777782

Reorder the terms:
8.027777782 + 5.666666667y + y2 = 3.333333333 + 8.027777782

Combine like terms: 3.333333333 + 8.027777782 = 11.361111115
8.027777782 + 5.666666667y + y2 = 11.361111115

Factor a perfect square on the left side:
(y + 2.833333334)(y + 2.833333334) = 11.361111115

Calculate the square root of the right side: 3.370624737

Break this problem into two subproblems by setting 
(y + 2.833333334) equal to 3.370624737 and -3.370624737.


Subproblem 1
y + 2.833333334 = 3.370624737

Simplifying
y + 2.833333334 = 3.370624737

Reorder the terms:
2.833333334 + y = 3.370624737

Solving
2.833333334 + y = 3.370624737

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-2.833333334' to each side of the equation.
2.833333334 + -2.833333334 + y = 3.370624737 + -2.833333334

Combine like terms: 2.833333334 + -2.833333334 = 0.000000000
0.000000000 + y = 3.370624737 + -2.833333334
y = 3.370624737 + -2.833333334

Combine like terms: 3.370624737 + -2.833333334 = 0.537291403
y = 0.537291403

Simplifying
y = 0.537291403


Subproblem 2
y + 2.833333334 = -3.370624737

Simplifying
y + 2.833333334 = -3.370624737

Reorder the terms:
2.833333334 + y = -3.370624737

Solving
2.833333334 + y = -3.370624737

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-2.833333334' to each side of the equation.
2.833333334 + -2.833333334 + y = -3.370624737 + -2.833333334

Combine like terms: 2.833333334 + -2.833333334 = 0.000000000
0.000000000 + y = -3.370624737 + -2.833333334
y = -3.370624737 + -2.833333334

Combine like terms: -3.370624737 + -2.833333334 = -6.203958071
y = -6.203958071

Simplifying
y = -6.203958071


Solution
The solution to the problem is based on the solutions
from the subproblems.
y = {0.537291403, -6.203958071}

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