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Question
Carry out the following divisions:
−36y3 ÷ 9y2
Sum
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Solution
−36y3 = −1 × 2 × 2 × 3 × 3 × y × y × y
9y2 = 3 × 3 × y × y
−36y3 ÷ 9y2
= `(-1 xx 2 xx 2 xx 3 xx 3 xx y xx y xx y)/(3 xx 3 xx y xx y)`
= −2 × 2 × y
= −4y
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Chapter 12: Factorisation - EXERCISE 12.3 [Page 155]
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