y(y)-36y+160=0

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Solution for y(y)-36y+160=0 equation:


Simplifying
y(y) + -36y + 160 = 0

Multiply y * y
y2 + -36y + 160 = 0

Reorder the terms:
160 + -36y + y2 = 0

Solving
160 + -36y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-160' to each side of the equation.
160 + -36y + -160 + y2 = 0 + -160

Reorder the terms:
160 + -160 + -36y + y2 = 0 + -160

Combine like terms: 160 + -160 = 0
0 + -36y + y2 = 0 + -160
-36y + y2 = 0 + -160

Combine like terms: 0 + -160 = -160
-36y + y2 = -160

The y term is -36y.  Take half its coefficient (-18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
-36y + 324 + y2 = -160 + 324

Reorder the terms:
324 + -36y + y2 = -160 + 324

Combine like terms: -160 + 324 = 164
324 + -36y + y2 = 164

Factor a perfect square on the left side:
(y + -18)(y + -18) = 164

Calculate the square root of the right side: 12.806248475

Break this problem into two subproblems by setting 
(y + -18) equal to 12.806248475 and -12.806248475.

Subproblem 1

y + -18 = 12.806248475 Simplifying y + -18 = 12.806248475 Reorder the terms: -18 + y = 12.806248475 Solving -18 + y = 12.806248475 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + y = 12.806248475 + 18 Combine like terms: -18 + 18 = 0 0 + y = 12.806248475 + 18 y = 12.806248475 + 18 Combine like terms: 12.806248475 + 18 = 30.806248475 y = 30.806248475 Simplifying y = 30.806248475

Subproblem 2

y + -18 = -12.806248475 Simplifying y + -18 = -12.806248475 Reorder the terms: -18 + y = -12.806248475 Solving -18 + y = -12.806248475 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + y = -12.806248475 + 18 Combine like terms: -18 + 18 = 0 0 + y = -12.806248475 + 18 y = -12.806248475 + 18 Combine like terms: -12.806248475 + 18 = 5.193751525 y = 5.193751525 Simplifying y = 5.193751525

Solution

The solution to the problem is based on the solutions from the subproblems. y = {30.806248475, 5.193751525}

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