25-60y+y^2=0

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Solution for 25-60y+y^2=0 equation:


Simplifying
25 + -60y + y2 = 0

Solving
25 + -60y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + -60y + -25 + y2 = 0 + -25

Reorder the terms:
25 + -25 + -60y + y2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -60y + y2 = 0 + -25
-60y + y2 = 0 + -25

Combine like terms: 0 + -25 = -25
-60y + y2 = -25

The y term is -60y.  Take half its coefficient (-30).
Square it (900) and add it to both sides.

Add '900' to each side of the equation.
-60y + 900 + y2 = -25 + 900

Reorder the terms:
900 + -60y + y2 = -25 + 900

Combine like terms: -25 + 900 = 875
900 + -60y + y2 = 875

Factor a perfect square on the left side:
(y + -30)(y + -30) = 875

Calculate the square root of the right side: 29.580398915

Break this problem into two subproblems by setting 
(y + -30) equal to 29.580398915 and -29.580398915.

Subproblem 1

y + -30 = 29.580398915 Simplifying y + -30 = 29.580398915 Reorder the terms: -30 + y = 29.580398915 Solving -30 + y = 29.580398915 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + y = 29.580398915 + 30 Combine like terms: -30 + 30 = 0 0 + y = 29.580398915 + 30 y = 29.580398915 + 30 Combine like terms: 29.580398915 + 30 = 59.580398915 y = 59.580398915 Simplifying y = 59.580398915

Subproblem 2

y + -30 = -29.580398915 Simplifying y + -30 = -29.580398915 Reorder the terms: -30 + y = -29.580398915 Solving -30 + y = -29.580398915 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + y = -29.580398915 + 30 Combine like terms: -30 + 30 = 0 0 + y = -29.580398915 + 30 y = -29.580398915 + 30 Combine like terms: -29.580398915 + 30 = 0.419601085 y = 0.419601085 Simplifying y = 0.419601085

Solution

The solution to the problem is based on the solutions from the subproblems. y = {59.580398915, 0.419601085}

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