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Question
Carry out the multiplication of the expression of the following pair.
a2 − 9, 4a
Sum
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Solution
(a2 − 9) × (4a)
= (a2 × 4a) + (− 9) × (4a)
= 4a3 − 36a
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Chapter 8: Algebraic Expressions and Identities - EXERCISE 8.3 [Page 100]
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