h^2+24h=7

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Solution for h^2+24h=7 equation:


Simplifying
h2 + 24h = 7

Reorder the terms:
24h + h2 = 7

Solving
24h + h2 = 7

Solving for variable 'h'.

Reorder the terms:
-7 + 24h + h2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 24h + h2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 24h + 7 + h2 = 0 + 7

Reorder the terms:
-7 + 7 + 24h + h2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 24h + h2 = 0 + 7
24h + h2 = 0 + 7

Combine like terms: 0 + 7 = 7
24h + h2 = 7

The h term is 24h.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24h + 144 + h2 = 7 + 144

Reorder the terms:
144 + 24h + h2 = 7 + 144

Combine like terms: 7 + 144 = 151
144 + 24h + h2 = 151

Factor a perfect square on the left side:
(h + 12)(h + 12) = 151

Calculate the square root of the right side: 12.288205727

Break this problem into two subproblems by setting 
(h + 12) equal to 12.288205727 and -12.288205727.

Subproblem 1

h + 12 = 12.288205727 Simplifying h + 12 = 12.288205727 Reorder the terms: 12 + h = 12.288205727 Solving 12 + h = 12.288205727 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + h = 12.288205727 + -12 Combine like terms: 12 + -12 = 0 0 + h = 12.288205727 + -12 h = 12.288205727 + -12 Combine like terms: 12.288205727 + -12 = 0.288205727 h = 0.288205727 Simplifying h = 0.288205727

Subproblem 2

h + 12 = -12.288205727 Simplifying h + 12 = -12.288205727 Reorder the terms: 12 + h = -12.288205727 Solving 12 + h = -12.288205727 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + h = -12.288205727 + -12 Combine like terms: 12 + -12 = 0 0 + h = -12.288205727 + -12 h = -12.288205727 + -12 Combine like terms: -12.288205727 + -12 = -24.288205727 h = -24.288205727 Simplifying h = -24.288205727

Solution

The solution to the problem is based on the solutions from the subproblems. h = {0.288205727, -24.288205727}

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