goliath... sorry juz now dc...

also can ah

this is add math?

i do the 2nd first....
1st seem a  bit hard

in the end, u'll get |x+1| < 2

u have to knw | | can be either + and -
so u'll either get
    (x+1)<2
or -(x+1)<2

next u knw how to do

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Added on May 15, 2008, 11:14 pm
i do the 2nd first....
1st seem a  bit hard

in the end, u'll get |x+1| < 2

u have to knw | | can be either + and -
so u'll either get
    (x+1)<2
or -(x+1)<2

next u knw how to do

hehe follow me aso ar.. very cold wan leh outside

isit 2|(x+1)| - < 0?

absolute value means if negative it's positive?

goliath, the first question i have no idea leh....

hooyoo~ i'm chai bin weng wah
in fren's hse now
goliath still gym nowadays?

tis can do 1 by 1
first do the positive
1<x-3<4

4<x<7

now, negative

1<-(x-3)<4

1>x-3>4

x<4 and x>7

happy birthday to leng zai mr.wolf!!!!

 
slowly study

someone is missing

yes?

u mean like wat formula sin?

i hate jay chou to the max!!!