y^2-11y+1.5=0

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Solution for y^2-11y+1.5=0 equation:


Simplifying
y2 + -11y + 1.5 = 0

Reorder the terms:
1.5 + -11y + y2 = 0

Solving
1.5 + -11y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -11y + -1.5 + y2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -11y + y2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -11y + y2 = 0 + -1.5
-11y + y2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-11y + y2 = -1.5

The y term is -11y.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11y + 30.25 + y2 = -1.5 + 30.25

Reorder the terms:
30.25 + -11y + y2 = -1.5 + 30.25

Combine like terms: -1.5 + 30.25 = 28.75
30.25 + -11y + y2 = 28.75

Factor a perfect square on the left side:
(y + -5.5)(y + -5.5) = 28.75

Calculate the square root of the right side: 5.361902647

Break this problem into two subproblems by setting 
(y + -5.5) equal to 5.361902647 and -5.361902647.

Subproblem 1

y + -5.5 = 5.361902647 Simplifying y + -5.5 = 5.361902647 Reorder the terms: -5.5 + y = 5.361902647 Solving -5.5 + y = 5.361902647 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + y = 5.361902647 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + y = 5.361902647 + 5.5 y = 5.361902647 + 5.5 Combine like terms: 5.361902647 + 5.5 = 10.861902647 y = 10.861902647 Simplifying y = 10.861902647

Subproblem 2

y + -5.5 = -5.361902647 Simplifying y + -5.5 = -5.361902647 Reorder the terms: -5.5 + y = -5.361902647 Solving -5.5 + y = -5.361902647 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + y = -5.361902647 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + y = -5.361902647 + 5.5 y = -5.361902647 + 5.5 Combine like terms: -5.361902647 + 5.5 = 0.138097353 y = 0.138097353 Simplifying y = 0.138097353

Solution

The solution to the problem is based on the solutions from the subproblems. y = {10.861902647, 0.138097353}

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