from the sum of 4+3x and 5 4x+2x2 subtract the sum of 3x2-5x and -x2+2x+5
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Answer:
given, [(4+3x)+(5−4x+2x
2
)]−[(3x
2
−5x)+(−x
2
+2x+5)]
=(2x
2
−x+9)−(2x
2
−3x+5)
=2x+4
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