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Simplifying h2 + 20 = 12h Reorder the terms: 20 + h2 = 12h Solving 20 + h2 = 12h Solving for variable 'h'. Reorder the terms: 20 + -12h + h2 = 12h + -12h Combine like terms: 12h + -12h = 0 20 + -12h + h2 = 0 Factor a trinomial. (2 + -1h)(10 + -1h) = 0Subproblem 1
Set the factor '(2 + -1h)' equal to zero and attempt to solve: Simplifying 2 + -1h = 0 Solving 2 + -1h = 0 Move all terms containing h to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1h = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1h = 0 + -2 -1h = 0 + -2 Combine like terms: 0 + -2 = -2 -1h = -2 Divide each side by '-1'. h = 2 Simplifying h = 2Subproblem 2
Set the factor '(10 + -1h)' equal to zero and attempt to solve: Simplifying 10 + -1h = 0 Solving 10 + -1h = 0 Move all terms containing h to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1h = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1h = 0 + -10 -1h = 0 + -10 Combine like terms: 0 + -10 = -10 -1h = -10 Divide each side by '-1'. h = 10 Simplifying h = 10Solution
h = {2, 10}
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