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Question
Multiply:
3a + 4b − 5c and 3a
Sum
Solution
(3a + 4b − 5c) × 3a
= (3a × 3a) + (4b × 3a) − (5c × 3a)
= 9a2 + 12ab − 15ac
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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