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Mathematics 21 Online
OpenStudy (anonymous):

can someone please explain how to do this... GCF... x^2+6x-72

OpenStudy (anonymous):

preferably in a way that is easier to understand than the book?

OpenStudy (anonymous):

The whole deal with the "GCF" is to find a number that is the "smallest" number that can be divided into all terms evenly. So, from here, it looks like the answer is 1.

OpenStudy (anonymous):

To find the GCF for variables. (in this problem we didn't have to consider variables seeing that 72 does not contain a X.) Just pick the variable with the lowest degree. (e.g variable with smallest power.)

OpenStudy (anonymous):

ok I miss read the instructions, I need to factor this problem

OpenStudy (anonymous):

Use the FOIL method. (x-6)(x+12)

OpenStudy (anonymous):

Im sorry, to check to see if you factored "right" then use the FOIL method. But generally to factor a problem like this (e.g. leading term is a "squared" term than you have to find two numbers whos product equals the last number and whos sum equals the middle number of the original problem

OpenStudy (anonymous):

see the FOIL method confuses me

OpenStudy (anonymous):

In what ways does it confuse you?

OpenStudy (anonymous):

well math period confuses me

OpenStudy (anonymous):

Oh, lol.

OpenStudy (anonymous):

i did well last week, but i tend to forget all concepts learned

OpenStudy (anonymous):

To help with memorization, I would try to redo practice problems in the book. That should help, and if you need more hands on help I would try asking a friend or a teacher.

OpenStudy (anonymous):

my friend's suck at math too and the one's who can do it are never available. this assignment has a due date and it takes forever for the teacher to respond

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