7. 3a + 6b + 120
8. 10ab - 15bc + 20ac =
9. 4x + 6x?y2 + 12y
11
10. 104 - 12y5 + 22y6 =
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7. 3a + 6b + 120
8. 10ab - 15bc + 20ac =
9. 4x + 6x?y2 + 12y
11
10. 104 - 12y5 + 22y6 =
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Answer:
7.3(a+2b+40)
8.5(2b-3bc+4ac)
9.4(×3xy+33y)
10.8(13+9y)