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Question
Subtract the following expressions:
11 – 15y2 from y3 – 15y2 – y – 11
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Solution
We have, y3 – 15y2 – y – 11 – (11 – 15y2)
= y3 – 15y2 – y – 11 – 11 + 15y2
On combining the like terms,
= y3 – 15y2 + 15y2 – y – 11 – 11
= y3 – y – 22
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