Question

multiply and simplify: x+3 * x+4
----- ------------
x x^2+7x+12

Answer 1

do you know how to solve x^2+7x+12 ??

Answer 2

noo :/

Answer 3

ok, you need to find a multiple of 12 that when you add = 7 ?

Answer 4

that would be 4 x 3 = 12 and 4 + 3 = 7

Answer 5

ohh okay isee

Answer 6

so to solve that would be (x+4)(x+3)

Answer 7

okayy now what

Answer 8

x^2+7x+12
=X^2+3x+4x+12
=x(x+3)+4(x+3)
=(x+4)(x+3)

Answer 9

so now you have

x+3 x+4
----- . --------
x (x+3)(x+4)

Answer 10

okay

Answer 11

now you can cancel and what do you have left ?

Answer 12

what do i cancel

Answer 13

{(x+3)/x}*{x+4/(x+4)(x+3)}
x is ur answer after all cancellation

Answer 14

so how would i write the final answer

Answer 15

what is the same from top and bottom

that is like if I have 4/4 that would be = 1
actually you are not cancelling you are converting to 1

Answer 16

ohhhh

Answer 17

so how would i write the final answer

Answer 18

cause what that other guys said confused me lol

Answer 19

you have left the following

1 1
------- . ------- = ? just multiply and what do you get ?
x 1

Answer 20

1
----
1x

Answer 21

correct, which is the same as 1/x

Answer 22

okay, thank you for teaching me i kinda understand it now :)

Answer 23

yw :)