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Mathematics 22 Online
OpenStudy (anonymous):

what is

OpenStudy (anonymous):

OpenStudy (anonymous):

???

OpenStudy (anonymous):

It's an expression, what were you asked to do with it? factor?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

it said factor

OpenStudy (anonymous):

What is the greatest thing both have in common?

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

OpenStudy (anonymous):

\[n^3(4n+1)\]

OpenStudy (anonymous):

how do you type superscripts

OpenStudy (anonymous):

Equation button right underneath.

OpenStudy (anonymous):

i dnt see tht

OpenStudy (anonymous):

Where you type your messages there are three buttons: Equation, Draw, Attach File

OpenStudy (anonymous):

do u know this one

OpenStudy (anonymous):

Do you know how to factor basic expression? Like this one (2x+x)

OpenStudy (anonymous):

3x

OpenStudy (anonymous):

The greatest common factor they both share is x, so this is what you take out of the brackets.

OpenStudy (anonymous):

x(2+1)

OpenStudy (anonymous):

If you open the brackets by multiplying, you will get (2x+x) again.

OpenStudy (anonymous):

So what do you think is the greatest common factor 3y^2 and 4y share?

OpenStudy (anonymous):

the y

OpenStudy (anonymous):

Correct, so he's the one you take out.

OpenStudy (anonymous):

What would you get?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

\[y(3y-4)\]

OpenStudy (anonymous):

OpenStudy (anonymous):

What is the greatest common factor all 3 share?

OpenStudy (anonymous):

x

OpenStudy (anonymous):

True, what about the numbers?

OpenStudy (anonymous):

all even

OpenStudy (anonymous):

Think of it this way, by what number can all 3 be divided?

OpenStudy (anonymous):

(To give you a whole number)

OpenStudy (anonymous):

2

OpenStudy (anonymous):

Yes, so it's 2 and x, except since they're both common factors, it's 2x.

OpenStudy (anonymous):

\[2x(5x^2+4x-3)\]

OpenStudy (anonymous):

this one is different

OpenStudy (anonymous):

No common variables, but there is a number.

OpenStudy (anonymous):

\[3(-x-y-z)\] \[-3(x+y+z)\] Both are correct forms, you could say that the common factor is +-3

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