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Divide 21a3 - 14a by 7

Divide 21a3 - 14a by 7
asked 159k views
3 votes
Divide 21a3 - 14a by 7

asked
User DNNX
by
8.7k points

2 Answers

5 votes

(21a^3-14a)/(7) = 3a³ - 2a "or" a(3a²-2)


answered
User Dave Paul
by
8.5k points
2 votes
the answer is 3a3-2a
so 21a3-14a, lets see, we can factor it by 7 so,
21a3-14a = 7(3a3-2a)
so, if you divide 7(3a3-2a) by 7, the sevens cancel out and the answer equals 3a^3-2a
answered
User Travisjayday
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8.1k points
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