2y-5=1y(1y)-62

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Solution for 2y-5=1y(1y)-62 equation:


Simplifying
2y + -5 = 1y(1y) + -62

Reorder the terms:
-5 + 2y = 1y(1y) + -62

Remove parenthesis around (1y)
-5 + 2y = 1y * 1y + -62

Reorder the terms for easier multiplication:
-5 + 2y = 1 * 1y * y + -62

Multiply 1 * 1
-5 + 2y = 1y * y + -62

Multiply y * y
-5 + 2y = 1y2 + -62

Reorder the terms:
-5 + 2y = -62 + 1y2

Solving
-5 + 2y = -62 + 1y2

Solving for variable 'y'.

Reorder the terms:
-5 + 62 + 2y + -1y2 = -62 + 1y2 + 62 + -1y2

Combine like terms: -5 + 62 = 57
57 + 2y + -1y2 = -62 + 1y2 + 62 + -1y2

Reorder the terms:
57 + 2y + -1y2 = -62 + 62 + 1y2 + -1y2

Combine like terms: -62 + 62 = 0
57 + 2y + -1y2 = 0 + 1y2 + -1y2
57 + 2y + -1y2 = 1y2 + -1y2

Combine like terms: 1y2 + -1y2 = 0
57 + 2y + -1y2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-57 + -2y + y2 = 0

Move the constant term to the right:

Add '57' to each side of the equation.
-57 + -2y + 57 + y2 = 0 + 57

Reorder the terms:
-57 + 57 + -2y + y2 = 0 + 57

Combine like terms: -57 + 57 = 0
0 + -2y + y2 = 0 + 57
-2y + y2 = 0 + 57

Combine like terms: 0 + 57 = 57
-2y + y2 = 57

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 = 57 + 1

Reorder the terms:
1 + -2y + y2 = 57 + 1

Combine like terms: 57 + 1 = 58
1 + -2y + y2 = 58

Factor a perfect square on the left side:
(y + -1)(y + -1) = 58

Calculate the square root of the right side: 7.615773106

Break this problem into two subproblems by setting 
(y + -1) equal to 7.615773106 and -7.615773106.

Subproblem 1

y + -1 = 7.615773106 Simplifying y + -1 = 7.615773106 Reorder the terms: -1 + y = 7.615773106 Solving -1 + y = 7.615773106 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 = 7.615773106 + 1 Combine like terms: -1 + 1 = 0 0 + y = 7.615773106 + 1 y = 7.615773106 + 1 Combine like terms: 7.615773106 + 1 = 8.615773106 y = 8.615773106 Simplifying y = 8.615773106

Subproblem 2

y + -1 = -7.615773106 Simplifying y + -1 = -7.615773106 Reorder the terms: -1 + y = -7.615773106 Solving -1 + y = -7.615773106 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 = -7.615773106 + 1 Combine like terms: -1 + 1 = 0 0 + y = -7.615773106 + 1 y = -7.615773106 + 1 Combine like terms: -7.615773106 + 1 = -6.615773106 y = -6.615773106 Simplifying y = -6.615773106

Solution

The solution to the problem is based on the solutions from the subproblems. y = {8.615773106, -6.615773106}

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