Question

Could somebody please help me learn how to do this? <3

Factor completely 3x^3 – 21x^2 – 27x

Answer 1

First look at what is common in each term

Answer 2

What do you notice?

Answer 3

Reply please?

Answer 4

3 is a factor of all of them.

Answer 5

yep .Anything else?

Answer 6

all have x's?

Answer 7

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Answer 8

So take 3x common outside first

Answer 9

from each term

Answer 10

would it be 3(x^2 – 7x – 9)?

Answer 11

*3x(x^2 – 7x – 9)

Answer 12

oh okiee cus of the x i took, right?

Answer 13

Yes.

Answer 14

okie thank you very much :)

Answer 15

yw :)

Answer 16

you think you could help me with one more? one that doesnt have variables with each #?

Answer 17

yep .Post it separately as a new question.

Answer 18

of course, thanks.