Question

Find the product.

-7(-a 2)(-b 3)

Answer 1

Is there supposed to be a + or - symbol in (-a 2) and in (-b 3)?

Answer 2

^2 and ^3

Answer 3

oK

Answer 4

So I would first multiply what is in the parentheses first.

Answer 5

ok

Answer 6

\[(-a^2)(-b^2)\]

Answer 7

This equals what?

Answer 8

idk

Answer 9

Ok no problem:
Try this
\[a \times b\]

Answer 10

=?

Answer 11

um

Answer 12

wait

Answer 13

let me try

Answer 14

ok

Answer 15

you still there?

Answer 16

yes

Answer 17

idk how to do it

Answer 18

does that make sense

Answer 19

yess

Answer 20

Ok great. So try this for me:

\[(a)(b)(c) = ?\]

Answer 21

abc?

Answer 22

Correct

Answer 23

Awesome

Answer 24

Now try this:
\[(-a)(-b) = ?\]

Answer 25

Note:
Two negatives equal a postive

Answer 26

+ab

Answer 27

Yes. Perfect

Answer 28

Now here is the interesting part Try it:
\[(-a^2)(-b^3)\]

Answer 29

You already know what \[(-a)(-b) \] is

Answer 30

+ab