Ask your own question, for FREE!
Mathematics 6 Online
OpenStudy (anonymous):

Could somebody please help me learn how to do this? <3 Factor completely 3x^3 – 21x^2 – 27x

OpenStudy (aravindg):

First look at what is common in each term

OpenStudy (aravindg):

What do you notice?

OpenStudy (aravindg):

Reply please?

OpenStudy (anonymous):

3 is a factor of all of them.

OpenStudy (aravindg):

yep .Anything else?

OpenStudy (anonymous):

all have x's?

OpenStudy (aravindg):

\[\checkmark\]

OpenStudy (aravindg):

So take 3x common outside first

OpenStudy (aravindg):

from each term

OpenStudy (anonymous):

would it be 3(x^2 – 7x – 9)?

OpenStudy (aravindg):

*3x(x^2 – 7x – 9)

OpenStudy (anonymous):

oh okiee cus of the x i took, right?

OpenStudy (aravindg):

Yes.

OpenStudy (anonymous):

okie thank you very much :)

OpenStudy (aravindg):

yw :)

OpenStudy (anonymous):

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

OpenStudy (aravindg):

yep .Post it separately as a new question.

OpenStudy (anonymous):

of course, thanks.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
15 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
18 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!