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Question
Subtract the following expressions:
4.5x5 – 3.4x2 + 5.7 from 5x4 – 3.2x2 – 7.3x
Solution
We have, 5x4 – 3.2x2 – 7.3x – (4.5x5 – 3.4x2 + 5.7) = 5x4 – 3.2x2 – 7.3x – 4.5x5 + 3.4x2 – 5.7
On combining the like terms,
= –4.5x5 + 5x4 – 3.2x2 + 3.4x2 – 7.3x – 5.7
= –4.5x5 + 5x4 + 0.2x2 – 7.3x – 5.7
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