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Mathematics 17 Online
OpenStudy (anonymous):

Can Anyone help me learn how to solve this i need to write it out step by step. Ok so i need to find the GCF of the terms of each polynomial. Then factor the polynomial. 3b^4 -9b^2 +6b Can you write it out for me please?:) I hate asking for just an answer because i don't learn anything so this way if u write it out ill pick it up a little.

OpenStudy (anonymous):

3b^4 -9b^2 +6b

OpenStudy (anonymous):

@texaschic101 @bookworm00981 @linda3 @SamuelAlden917

OpenStudy (anonymous):

@datthanh08

OpenStudy (anonymous):

:(

OpenStudy (texaschic101):

3b^4 - 9b^2 + 6b what do all these terms have in common ? Is there a number that can go into all three terms ? Is there a variable present in all three terms ?

OpenStudy (anonymous):

3b^4 and 9b^2 and ^b because they all have the same variable?

OpenStudy (texaschic101):

Notice that 3 goes into all three terms and that b is present in all three terms. So lets factor... 3b^4 - 9b^2 + 6b 3b (b^3 - 3b + 2) do you understand how I did that ?

OpenStudy (anonymous):

Sorta is it because you broke down the 6b?

OpenStudy (texaschic101):

I factored out 3b. And because 3 goes into 6 two times and the b is factored out, that leaves us with just 2

OpenStudy (anonymous):

i see!

OpenStudy (anonymous):

So how would i write it all out i would say the GCF's are 3b(b3−3b+2)

OpenStudy (texaschic101):

The GCF is what you factor out, therefore, if it is just asking for the GCF, it is 3b

OpenStudy (anonymous):

hum ok, thannks. and what do they mean factor tthe polynomial?

OpenStudy (texaschic101):

that is just what we did...the GCF is 3b, and when factored we get : 3b(b^3 - 3b + 2)

OpenStudy (texaschic101):

what is in parenthesis is the result of factoring out 3b

OpenStudy (anonymous):

awwww! i see now wth i make things complicated!

OpenStudy (texaschic101):

lol...glad I could help :)

OpenStudy (anonymous):

AWESOME:) just sometimes i dont understand how the computer shows me cuz im homeschooled and i dont have help here at work cuz my moms busy

OpenStudy (texaschic101):

I see what you mean...sometimes it is better to work with a person one-on-one.

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