Answers

2015-07-01T19:36:00+08:00
(m-7) (m-7)

ganan lang ang pag e expand 

now you know 

hahaha





0
2015-07-01T20:22:13+08:00
Use foil method or shortcut.
Foil method:
(m-7)(m-7) then multiply or distribute.
 Shortcut:
multiply the m by it self so it will became m squared then multiply the 2 or squared to m and -7 then multiply the -7 by itself so the answer will be m square-14m+49.
0
Shortcut:
nyc one
did you get it? (the shortcut) @Jasonisada
Yup.. Twice only their product you can get their middle term