h^2-17h=-72

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Solution for h^2-17h=-72 equation:


Simplifying
h2 + -17h = -72

Reorder the terms:
-17h + h2 = -72

Solving
-17h + h2 = -72

Solving for variable 'h'.

Reorder the terms:
72 + -17h + h2 = -72 + 72

Combine like terms: -72 + 72 = 0
72 + -17h + h2 = 0

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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