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Question
Multiply the following:
(p + 6), (q – 7)
Sum
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Solution
We have,
(p + 6) and (q – 7)
∴ (p + 6) × (q – 7) = p(q – 7) + 6(q – 7)
= pq – 7p + 6q – 42
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Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 230]
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