Question 18.
Subtract 4.5x5 - 3.4x2 + 5.7 from 5x4 - 3.2x2 – 7.3x.
Answers
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1
Answer:
(5x
4
−3.2x
2
−7.3x)−(4.5x
5
−3.4x
2
+5.7)
=5x
4
−3.2x
2
−7.3x−4.5x
5
+3.4x
2
−5.7
Collecting like terms,
=5x
4
−3.2x
2
+3.4x
2
−7.3x−4.5x
5
−5.7
=−4.5x
5
+5x
4
+0.2x
2
−7.3x−5.7
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