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Question
Simplify.
(a2 + 5) (b3 + 3) + 5
Solution
(a2 + 5) (b3 + 3) + 5
= a2 (b3 + 3) + 5 (b3 + 3) + 5
= a2b3 + 3a2 + 5b3 + 15 + 5
= a2b3 + 3a2 + 5b3 + 20
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