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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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