Step-by-step explanation:
(3h² - 147) ÷ 3 = 0 ÷ 3
h² - 49 = 0
h² = 49
√h² = √49
h = ± 7
h1 = 7
h2 = -7
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Step-by-step explanation:
(3h² - 147) ÷ 3 = 0 ÷ 3
h² - 49 = 0
h² = 49
√h² = √49
h = ± 7
h1 = 7
h2 = -7