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Which expression is equivalent to 3x2−18x−21

3
x
2

18
x

21
?

User RobinJ
by
7.9k points

1 Answer

2 votes

Answer:

3x²-18x-21=3(x²-6x-7)

Explanation:

We can obtain a common factor 3, so

3x²-18x-21=3(x²-6x-7)

User Ivoronline
by
7.4k points