find the sum of the following (a)-24y²,y²,x and 4x(b)34a²b²,b³a²-40b³a²,-2b³à²
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Answer:
(x
4
+5x
3
+7x)+(4x
3
−3x
2
+5)
=x
4
+x
4
+5x
3
+4x
3
−3x
2
+7x+5
=x
4
+9x
3
−3x
2
+7x+5
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