Question

Synthetic division

Answer 1

x=-3
therefore (x+3) is a factor of f(x)

divide f(x) by (x+3)

Answer 2

@mathmath333 liek that

Answer 3

would the remainder be -164

Answer 4

the main thing is u have to do synthetic division

Answer 5

https://www.khanacademy.org/math/algebra2/polynomial_and_rational/synthetic-division/v/synthetic-division

Answer 6

yes i got 1 7 4 8 -4

Answer 7

yes

Answer 8

wait no i did that wrong i for got about the -3

Answer 9

1 8 14 42 106

Answer 10

yes -x^3(x+3)=-x^4-3x^3

Answer 11

-x^3 would be ur quotient

Answer 12

then u have to eliminate x^3 and so on

Answer 13

erg this is hurting my brain T-T

Answer 14

-3 | 1 5 -10 0 -20
|
--------------------------------
1

Answer 15

thats teh synthetic division setup, right ?

Answer 16

Yes

Answer 17

simply carry out the steps :
1(-3) = -3 :

-3 | 1 5 -10 0 -20
| -3
--------------------------------
1

Answer 18

5+-3 = 2 :


-3 | 1 5 -10 0 -20
| -3
--------------------------------
1 2

Answer 19

2(-3) = -6 :

5+-3 = 2 :


-3 | 1 5 -10 0 -20
| -3 -6
--------------------------------
1 2

Answer 20

keep going..

Answer 21

ok

Answer 22

-10+-6 -16

Answer 23

yes :


-3 | 1 5 -10 0 -20
| -3 -6
--------------------------------
1 2 -16

Answer 24

then -16*3

Answer 25

-3*

Answer 26

48?

Answer 27

yes write that in table

Answer 28

chocoobo from final fantasy O.O

Answer 29

yes aha

Answer 30

-3 | 1 5 -10 0 -20
| -3 -6 48
--------------------------------
1 2 -16

Answer 31

-3 | 1 5 -10 0 -20
| -3 -6 48
--------------------------------
1 2 -16 48

Answer 32

-3 | 1 5 -10 0 -20
| -3 -6 48 -144
--------------------------------
1 2 -16 48 -164

Answer 33

is taht right

Answer 34

Perfect !
look at the last row

Answer 35

1 2 -16 48 `-164`

Answer 36

-164 is your remainder

Answer 37

:d yay

Answer 38

`1 2 -16 48` -164

and the quitient is :
x^3+2x^2-16x+48

Answer 39

last row gives you both quotient and remainder

Answer 40

watch that khan video,
its very good one

Answer 41

Hokay will do