Which of the following is a factor of x2+ 2x − 48?
x − 8
x + 12
x − 6
None of the above

Question

Which of the following is a factor of x2+ 2x − 48?
 x − 8
x + 12
x − 6
None of the above

nnesha · Answer

what two number you multiply to get -48 or when you add or subtract them you should get middle term(2) 
easy to factor it AC method or headphone method 
find two number when you multiply them you should get product of AC and when you add or subtract the;m you should get middle term b

anonymous · Answer

ok im confused i know its either x-8 or x-6

nnesha · Answer

-6 times -8 = positive 48 (we need negative 48)
-6-8 = -14 
so one of them suppose to be positive you tell which one should be negative ?

anonymous · Answer

x-8?

nnesha · Answer

oky check it ot
-8 times 6 = -48 correct 
but -8+6 = positive 2 ?

anonymous · Answer

oh crap okay so it's x-6

nnesha · Answer

yes right 
-6+8 = +2