17y-13+6y^2-14y+5=

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Solution for 17y-13+6y^2-14y+5= equation:


Simplifying
17y + -13 + 6y2 + -14y + 5 = 0

Reorder the terms:
-13 + 5 + 17y + -14y + 6y2 = 0

Combine like terms: -13 + 5 = -8
-8 + 17y + -14y + 6y2 = 0

Combine like terms: 17y + -14y = 3y
-8 + 3y + 6y2 = 0

Solving
-8 + 3y + 6y2 = 0

Solving for variable 'y'.

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

Divide each side by '6'.
-1.333333333 + 0.5y + y2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + 0.5y + 1.333333333 + y2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + 0.5y + y2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + 0.5y + y2 = 0 + 1.333333333
0.5y + y2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
0.5y + y2 = 1.333333333

The y term is 0.5y.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5y + 0.0625 + y2 = 1.333333333 + 0.0625

Reorder the terms:
0.0625 + 0.5y + y2 = 1.333333333 + 0.0625

Combine like terms: 1.333333333 + 0.0625 = 1.395833333
0.0625 + 0.5y + y2 = 1.395833333

Factor a perfect square on the left side:
(y + 0.25)(y + 0.25) = 1.395833333

Calculate the square root of the right side: 1.181453906

Break this problem into two subproblems by setting 
(y + 0.25) equal to 1.181453906 and -1.181453906.

Subproblem 1

y + 0.25 = 1.181453906 Simplifying y + 0.25 = 1.181453906 Reorder the terms: 0.25 + y = 1.181453906 Solving 0.25 + y = 1.181453906 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + y = 1.181453906 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + y = 1.181453906 + -0.25 y = 1.181453906 + -0.25 Combine like terms: 1.181453906 + -0.25 = 0.931453906 y = 0.931453906 Simplifying y = 0.931453906

Subproblem 2

y + 0.25 = -1.181453906 Simplifying y + 0.25 = -1.181453906 Reorder the terms: 0.25 + y = -1.181453906 Solving 0.25 + y = -1.181453906 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + y = -1.181453906 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + y = -1.181453906 + -0.25 y = -1.181453906 + -0.25 Combine like terms: -1.181453906 + -0.25 = -1.431453906 y = -1.431453906 Simplifying y = -1.431453906

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.931453906, -1.431453906}

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