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Which expression is equivalent to 3x2−18x−21 3 x 2 − 18 x − 21 ?

Which expression is equivalent to 3x2−18x−21 3 x 2 − 18 x − 21 ?
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Which expression is equivalent to 3x2−18x−21

3
x
2
−
18
x
−
21
?

asked
User RobinJ
by
8.4k 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)

answered
User Ivoronline
by
7.9k points
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