y^2-5y-24=24

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Solution for y^2-5y-24=24 equation:


Simplifying
y2 + -5y + -24 = 24

Reorder the terms:
-24 + -5y + y2 = 24

Solving
-24 + -5y + y2 = 24

Solving for variable 'y'.

Reorder the terms:
-24 + -24 + -5y + y2 = 24 + -24

Combine like terms: -24 + -24 = -48
-48 + -5y + y2 = 24 + -24

Combine like terms: 24 + -24 = 0
-48 + -5y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '48' to each side of the equation.
-48 + -5y + 48 + y2 = 0 + 48

Reorder the terms:
-48 + 48 + -5y + y2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + -5y + y2 = 0 + 48
-5y + y2 = 0 + 48

Combine like terms: 0 + 48 = 48
-5y + y2 = 48

The y term is -5y.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5y + 6.25 + y2 = 48 + 6.25

Reorder the terms:
6.25 + -5y + y2 = 48 + 6.25

Combine like terms: 48 + 6.25 = 54.25
6.25 + -5y + y2 = 54.25

Factor a perfect square on the left side:
(y + -2.5)(y + -2.5) = 54.25

Calculate the square root of the right side: 7.365459931

Break this problem into two subproblems by setting 
(y + -2.5) equal to 7.365459931 and -7.365459931.

Subproblem 1

y + -2.5 = 7.365459931 Simplifying y + -2.5 = 7.365459931 Reorder the terms: -2.5 + y = 7.365459931 Solving -2.5 + y = 7.365459931 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + y = 7.365459931 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + y = 7.365459931 + 2.5 y = 7.365459931 + 2.5 Combine like terms: 7.365459931 + 2.5 = 9.865459931 y = 9.865459931 Simplifying y = 9.865459931

Subproblem 2

y + -2.5 = -7.365459931 Simplifying y + -2.5 = -7.365459931 Reorder the terms: -2.5 + y = -7.365459931 Solving -2.5 + y = -7.365459931 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + y = -7.365459931 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + y = -7.365459931 + 2.5 y = -7.365459931 + 2.5 Combine like terms: -7.365459931 + 2.5 = -4.865459931 y = -4.865459931 Simplifying y = -4.865459931

Solution

The solution to the problem is based on the solutions from the subproblems. y = {9.865459931, -4.865459931}

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