subtract (4x3+2x2-5x+7) from (3x3+5x2+7x+10)
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2
Answer:
(x
3
+5x
2
−4x+6)−(2x
3
−x
2
+4x−6)
=x
3
+5x
2
−4x+6−2x
3
+x
2
−4x+6
=(1−2)x
3
+(5+1)x
2
+(−4−4)x+(6+6)
=−1x
3
+6x
2
−8x+12
=−x
3
+6x
2
−8x+12.
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