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Question
Multiply:
x + 5 and x – 3
Sum
Solution
(x + 5) × (x − 3)
= x × (x + 5) − 3 × (x + 5)
= x2 + 5x − 3x − 15
= x2 + 2x − 15
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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