0=5.5*2700-2733.5*y-y^2

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Solution for 0=5.5*2700-2733.5*y-y^2 equation:


Simplifying
0 = 5.5 * 2700 + -2733.5y + -1y2

Multiply 5.5 * 2700
0 = 14850 + -2733.5y + -1y2

Solving
0 = 14850 + -2733.5y + -1y2

Solving for variable 'y'.

Combine like terms: 0 + -14850 = -14850
-14850 + 2733.5y + y2 = 14850 + -2733.5y + -1y2 + -14850 + 2733.5y + y2

Reorder the terms:
-14850 + 2733.5y + y2 = 14850 + -14850 + -2733.5y + 2733.5y + -1y2 + y2

Combine like terms: 14850 + -14850 = 0
-14850 + 2733.5y + y2 = 0 + -2733.5y + 2733.5y + -1y2 + y2
-14850 + 2733.5y + y2 = -2733.5y + 2733.5y + -1y2 + y2

Combine like terms: -2733.5y + 2733.5y = 0.0
-14850 + 2733.5y + y2 = 0.0 + -1y2 + y2
-14850 + 2733.5y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-14850 + 2733.5y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '14850' to each side of the equation.
-14850 + 2733.5y + 14850 + y2 = 0 + 14850

Reorder the terms:
-14850 + 14850 + 2733.5y + y2 = 0 + 14850

Combine like terms: -14850 + 14850 = 0
0 + 2733.5y + y2 = 0 + 14850
2733.5y + y2 = 0 + 14850

Combine like terms: 0 + 14850 = 14850
2733.5y + y2 = 14850

The y term is 2733.5y.  Take half its coefficient (1366.75).
Square it (1868005.563) and add it to both sides.

Add '1868005.563' to each side of the equation.
2733.5y + 1868005.563 + y2 = 14850 + 1868005.563

Reorder the terms:
1868005.563 + 2733.5y + y2 = 14850 + 1868005.563

Combine like terms: 14850 + 1868005.563 = 1882855.563
1868005.563 + 2733.5y + y2 = 1882855.563

Factor a perfect square on the left side:
(y + 1366.75)(y + 1366.75) = 1882855.563

Calculate the square root of the right side: 1372.171841644

Break this problem into two subproblems by setting 
(y + 1366.75) equal to 1372.171841644 and -1372.171841644.

Subproblem 1

y + 1366.75 = 1372.171841644 Simplifying y + 1366.75 = 1372.171841644 Reorder the terms: 1366.75 + y = 1372.171841644 Solving 1366.75 + y = 1372.171841644 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1366.75' to each side of the equation. 1366.75 + -1366.75 + y = 1372.171841644 + -1366.75 Combine like terms: 1366.75 + -1366.75 = 0.00 0.00 + y = 1372.171841644 + -1366.75 y = 1372.171841644 + -1366.75 Combine like terms: 1372.171841644 + -1366.75 = 5.421841644 y = 5.421841644 Simplifying y = 5.421841644

Subproblem 2

y + 1366.75 = -1372.171841644 Simplifying y + 1366.75 = -1372.171841644 Reorder the terms: 1366.75 + y = -1372.171841644 Solving 1366.75 + y = -1372.171841644 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1366.75' to each side of the equation. 1366.75 + -1366.75 + y = -1372.171841644 + -1366.75 Combine like terms: 1366.75 + -1366.75 = 0.00 0.00 + y = -1372.171841644 + -1366.75 y = -1372.171841644 + -1366.75 Combine like terms: -1372.171841644 + -1366.75 = -2738.921841644 y = -2738.921841644 Simplifying y = -2738.921841644

Solution

The solution to the problem is based on the solutions from the subproblems. y = {5.421841644, -2738.921841644}

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