Answer:
30g
Step-by-step explanation:
(3g - 5)² = 9g² - ___ + 25
Apply the formula (a - b)² = a² - 2ab + b²
(3g - 5)² = 9g² - 2ab + 25
(3g - 5)² = 9g² - 2(3g)(5) + 25
(3g - 5)² = 9g² - 2(15g) + 25
(3g - 5)² = 9g² - 30g + 25
Therefore the missing term is 30g.
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