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Question
Multiply:
2x + y and x + 3y
Sum
Solution
(2x + y) × (x + 3y)
= x × (2x + y) + 3y × (2x + y)
= 2x2 + xy + 6xy + 3y2
= 2x2 + 7xy + 3y2
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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