Question

8x^3-2x

Answer 1

What are you supposed to do with it?

Answer 2

Factor each

Answer 3

First factor out the common factor of 2x

Answer 4

hmm how can i do that?

Answer 5

2x( )=8x^3-2x

Answer 6

Figure out what goes in the parenthesis that will multiply back to the original expression.

Answer 7

4 and -1?

Answer 8

Start by asking yourself 2 ( )=8

Answer 9

it would be 4 right

Answer 10

Yes. Now x( )=x^3

Answer 11

3?

Answer 12

\[x^1( )=x^3\]

Answer 13

Remember, when you multiply, you add the exponents.

Answer 14

would it be 3?

Answer 15

would it be 3?

Answer 16

No. x times 3 is 3x not x^3

Answer 17

x^3?

Answer 18

Do you know how to multiply exponentials?

Answer 19

hmm not really

Answer 20

For example, what is the answer to:
\[x^3(x^5)\]

Answer 21

it would be x^8 am i right?

Answer 22

Yes. So if I gave the answer and asked you to fill in the blank like this:
\[x^3( )=x^7\]

Answer 23

it would be x^4

Answer 24

What would have to go in there to make it true?

Answer 25

Exactly. And that is what your problem is.

Answer 26

ooo ok so wat would the answer be at the end?