h^2-h-72=0

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Solution for h^2-h-72=0 equation:


Simplifying
h2 + -1h + -72 = 0

Reorder the terms:
-72 + -1h + h2 = 0

Solving
-72 + -1h + h2 = 0

Solving for variable 'h'.

Factor a trinomial.
(-8 + -1h)(9 + -1h) = 0

Subproblem 1

Set the factor '(-8 + -1h)' equal to zero and attempt to solve: Simplifying -8 + -1h = 0 Solving -8 + -1h = 0 Move all terms containing h to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1h = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1h = 0 + 8 -1h = 0 + 8 Combine like terms: 0 + 8 = 8 -1h = 8 Divide each side by '-1'. h = -8 Simplifying h = -8

Subproblem 2

Set the factor '(9 + -1h)' equal to zero and attempt to solve: Simplifying 9 + -1h = 0 Solving 9 + -1h = 0 Move all terms containing h to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1h = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1h = 0 + -9 -1h = 0 + -9 Combine like terms: 0 + -9 = -9 -1h = -9 Divide each side by '-1'. h = 9 Simplifying h = 9

Solution

h = {-8, 9}

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