h^2+-20h-75=0

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Solution for h^2+-20h-75=0 equation:


Simplifying
h2 + -20h + -75 = 0

Reorder the terms:
-75 + -20h + h2 = 0

Solving
-75 + -20h + h2 = 0

Solving for variable 'h'.

Begin completing the square.

Move the constant term to the right:

Add '75' to each side of the equation.
-75 + -20h + 75 + h2 = 0 + 75

Reorder the terms:
-75 + 75 + -20h + h2 = 0 + 75

Combine like terms: -75 + 75 = 0
0 + -20h + h2 = 0 + 75
-20h + h2 = 0 + 75

Combine like terms: 0 + 75 = 75
-20h + h2 = 75

The h term is -20h.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20h + 100 + h2 = 75 + 100

Reorder the terms:
100 + -20h + h2 = 75 + 100

Combine like terms: 75 + 100 = 175
100 + -20h + h2 = 175

Factor a perfect square on the left side:
(h + -10)(h + -10) = 175

Calculate the square root of the right side: 13.228756555

Break this problem into two subproblems by setting 
(h + -10) equal to 13.228756555 and -13.228756555.

Subproblem 1

h + -10 = 13.228756555 Simplifying h + -10 = 13.228756555 Reorder the terms: -10 + h = 13.228756555 Solving -10 + h = 13.228756555 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + h = 13.228756555 + 10 Combine like terms: -10 + 10 = 0 0 + h = 13.228756555 + 10 h = 13.228756555 + 10 Combine like terms: 13.228756555 + 10 = 23.228756555 h = 23.228756555 Simplifying h = 23.228756555

Subproblem 2

h + -10 = -13.228756555 Simplifying h + -10 = -13.228756555 Reorder the terms: -10 + h = -13.228756555 Solving -10 + h = -13.228756555 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + h = -13.228756555 + 10 Combine like terms: -10 + 10 = 0 0 + h = -13.228756555 + 10 h = -13.228756555 + 10 Combine like terms: -13.228756555 + 10 = -3.228756555 h = -3.228756555 Simplifying h = -3.228756555

Solution

The solution to the problem is based on the solutions from the subproblems. h = {23.228756555, -3.228756555}

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