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Contact [7]
3 years ago
11

Factor the expression by taking out the GCF. 3x - 9x3

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0

Consider the expression 3x-9x^3. It consists of two terms:

3x=3\cdot x

and

-9x^3=-3\cdot 3\cdot x\cdot x\cdot x.

The common factors in these terms are 3 and x. Then

GCF(3x,-9x^3)=3x.

Taking out the GCF, you obtain

3x-9x^3=3x(1-3x^2).

Answer: correct choice is B.

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