subtract : 6x³-7x²+5x-3 from 4-5x+6x²-8x³
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Answer:
The required difference =(4−5x+6x
2
−8x
3
)−(6x
3
−7x
2
+5x−3)
=4−5x+6x
2
−8x
3
−6x
3
+7x
2
−5x+3
Rearranging and collecting like terms
=(4+3)+(−5x−5x)+(6x
2
+7x
2
)+(−8x
3
−6x
3
)
=7−10x+13x
2
−14x
3
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