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प्रश्न
Multiply:
x + 2 and x + 10
बेरीज
उत्तर
(x + 2) × (x + 10)
= x × (x + 2) + 10 × (x + 2)
= x2 + 2x + 10x + 20
= x2 + 12x + 20
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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