Question

(3x-6) (x+8)
find the Product ...

Answer 1

do you know how to use FOIL?

Answer 2

no.. sorry

Answer 3

Okay, it stands for First, Inner, Outer, Last.
(3x-6) (x+8)
Multiply the first terms in the binomial, tell me what you get.

Answer 4

The first terms in each binomial are
3x and x.

Answer 5

so.. 3x^2?

Answer 6

Yes, so we've done the F in FOIL

Answer 7

next..

Answer 8

Now we have OIL, Outer is next. The terms that are farthest from each other. Do you see what they are?

Answer 9

24x?

Answer 10

Yes! :D

Answer 11

So we have done FO in FOIL, next is Inner. The terms that are closest to each other and not the first or last term. derp.

Answer 12

6x?

Answer 13

Think about it a little more... what's the first binomial?

Answer 14

-6x?

Answer 15

:D You got it, now the last. The last terms in each binomial.

Answer 16

-48?

Answer 17

Yup! Now put what you have got together.

Answer 18

3x^2+24x
-6-48

Answer 19

You mistyped a bit, but yeah, 3x^2 - 6x + 24x - 48. Now what do you think you have to do?

Answer 20

dont know,,,

Answer 21

it should be quadratic..

Answer 22

The last step in almost every single equation in Mathematics. o.o

SIMPLIFY!!! WOOOO

Answer 23

You have to terms of the first degree, which means you can combine them. :D

Answer 24

two*. derp.

Answer 25

..

Answer 26

3x^2 - 6x + 24x - 48
3x^2 + 18x - 48

Answer 27

See it now?

Answer 28

ahh.. thanks :)

Answer 29

No problem buddy. :) Just remember, FOIL.
F = (De)(Rp)
O = (De)(rP)
I = (dE)(Rp)
L = (dE)(rP)