Answer:
Explanation:
90 + 60
90 = 2 · 3 · 3 · 5
60 = 2 · 2 · 3 · 5
GCF(90, 60) = 2 · 3 · 5 = 30
90 = 30 · 3
60 = 30 · 2
The distributive property a(b + c) = ab + ac
90 + 60 = 30 · 3 + 30 · 2 = 30 · (3 + 2)
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