2y-5+y^2-62=180

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Solution for 2y-5+y^2-62=180 equation:


Simplifying
2y + -5 + y2 + -62 = 180

Reorder the terms:
-5 + -62 + 2y + y2 = 180

Combine like terms: -5 + -62 = -67
-67 + 2y + y2 = 180

Solving
-67 + 2y + y2 = 180

Solving for variable 'y'.

Reorder the terms:
-67 + -180 + 2y + y2 = 180 + -180

Combine like terms: -67 + -180 = -247
-247 + 2y + y2 = 180 + -180

Combine like terms: 180 + -180 = 0
-247 + 2y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '247' to each side of the equation.
-247 + 2y + 247 + y2 = 0 + 247

Reorder the terms:
-247 + 247 + 2y + y2 = 0 + 247

Combine like terms: -247 + 247 = 0
0 + 2y + y2 = 0 + 247
2y + y2 = 0 + 247

Combine like terms: 0 + 247 = 247
2y + y2 = 247

The y term is 2y.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2y + 1 + y2 = 247 + 1

Reorder the terms:
1 + 2y + y2 = 247 + 1

Combine like terms: 247 + 1 = 248
1 + 2y + y2 = 248

Factor a perfect square on the left side:
(y + 1)(y + 1) = 248

Calculate the square root of the right side: 15.748015748

Break this problem into two subproblems by setting 
(y + 1) equal to 15.748015748 and -15.748015748.

Subproblem 1

y + 1 = 15.748015748 Simplifying y + 1 = 15.748015748 Reorder the terms: 1 + y = 15.748015748 Solving 1 + y = 15.748015748 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = 15.748015748 + -1 Combine like terms: 1 + -1 = 0 0 + y = 15.748015748 + -1 y = 15.748015748 + -1 Combine like terms: 15.748015748 + -1 = 14.748015748 y = 14.748015748 Simplifying y = 14.748015748

Subproblem 2

y + 1 = -15.748015748 Simplifying y + 1 = -15.748015748 Reorder the terms: 1 + y = -15.748015748 Solving 1 + y = -15.748015748 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + y = -15.748015748 + -1 Combine like terms: 1 + -1 = 0 0 + y = -15.748015748 + -1 y = -15.748015748 + -1 Combine like terms: -15.748015748 + -1 = -16.748015748 y = -16.748015748 Simplifying y = -16.748015748

Solution

The solution to the problem is based on the solutions from the subproblems. y = {14.748015748, -16.748015748}

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