4y-10=y(y)-62

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Solution for 4y-10=y(y)-62 equation:


Simplifying
4y + -10 = y(y) + -62

Reorder the terms:
-10 + 4y = y(y) + -62

Multiply y * y
-10 + 4y = y2 + -62

Reorder the terms:
-10 + 4y = -62 + y2

Solving
-10 + 4y = -62 + y2

Solving for variable 'y'.

Reorder the terms:
-10 + 62 + 4y + -1y2 = -62 + y2 + 62 + -1y2

Combine like terms: -10 + 62 = 52
52 + 4y + -1y2 = -62 + y2 + 62 + -1y2

Reorder the terms:
52 + 4y + -1y2 = -62 + 62 + y2 + -1y2

Combine like terms: -62 + 62 = 0
52 + 4y + -1y2 = 0 + y2 + -1y2
52 + 4y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
52 + 4y + -1y2 = 0

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

Divide each side by '-1'.
-52 + -4y + y2 = 0

Move the constant term to the right:

Add '52' to each side of the equation.
-52 + -4y + 52 + y2 = 0 + 52

Reorder the terms:
-52 + 52 + -4y + y2 = 0 + 52

Combine like terms: -52 + 52 = 0
0 + -4y + y2 = 0 + 52
-4y + y2 = 0 + 52

Combine like terms: 0 + 52 = 52
-4y + y2 = 52

The y term is -4y.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4y + 4 + y2 = 52 + 4

Reorder the terms:
4 + -4y + y2 = 52 + 4

Combine like terms: 52 + 4 = 56
4 + -4y + y2 = 56

Factor a perfect square on the left side:
(y + -2)(y + -2) = 56

Calculate the square root of the right side: 7.483314774

Break this problem into two subproblems by setting 
(y + -2) equal to 7.483314774 and -7.483314774.

Subproblem 1

y + -2 = 7.483314774 Simplifying y + -2 = 7.483314774 Reorder the terms: -2 + y = 7.483314774 Solving -2 + y = 7.483314774 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + y = 7.483314774 + 2 Combine like terms: -2 + 2 = 0 0 + y = 7.483314774 + 2 y = 7.483314774 + 2 Combine like terms: 7.483314774 + 2 = 9.483314774 y = 9.483314774 Simplifying y = 9.483314774

Subproblem 2

y + -2 = -7.483314774 Simplifying y + -2 = -7.483314774 Reorder the terms: -2 + y = -7.483314774 Solving -2 + y = -7.483314774 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + y = -7.483314774 + 2 Combine like terms: -2 + 2 = 0 0 + y = -7.483314774 + 2 y = -7.483314774 + 2 Combine like terms: -7.483314774 + 2 = -5.483314774 y = -5.483314774 Simplifying y = -5.483314774

Solution

The solution to the problem is based on the solutions from the subproblems. y = {9.483314774, -5.483314774}

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