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Multiplying Polynomials using the FOIL process. Can anyone help me?
 one year ago
 one year ago
Multiplying Polynomials using the FOIL process. Can anyone help me?
 one year ago
 one year ago

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ChristaBBest ResponseYou've already chosen the best response.0
\[(X + 4) ^{3}\]  I am lost on the step by step (showing my work) 
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
dw:1352972916740:dw
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Oh, okay. Then write it this way:dw:1352973007354:dw
 one year ago

ChristaBBest ResponseYou've already chosen the best response.0
I wrote out step one as: \[( X +4) ^{2} (x +4)\]  But then I loose it and have no idea what to do after that
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Next: dw:1352973075697:dw
 one year ago

ChristaBBest ResponseYou've already chosen the best response.0
\[X ^{2} + X ^{4}+4(X) + 4 (4) + (X + 4)\]
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Next will be:dw:1352973489598:dw
 one year ago

ChristaBBest ResponseYou've already chosen the best response.0
No wait... \[X ^{2 + X (4) + 4(X) 4 (4) + (X + 4)}\]
 one year ago

emilie.liBest ResponseYou've already chosen the best response.1
may not be right, but here's a shot: (x+4)(x+4)=X ^{2}+8x+16 then multiply that by (x+4)
 one year ago

ChristaBBest ResponseYou've already chosen the best response.0
The book gives the answer as: \[X ^{3 }+ 12X ^{2}+ 48X + 64  AS you can see... I have no idea how to get from my last post to this answer...Im lost
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
The working we showed isn't the final step. :P
 one year ago

emilie.liBest ResponseYou've already chosen the best response.1
dw:1352973951215:dw
 one year ago

emilie.liBest ResponseYou've already chosen the best response.1
that should give you the answer in the book
 one year ago

ChristaBBest ResponseYou've already chosen the best response.0
Got it... thank you. Of the 108 problems in this chapter, I have one other that I am struggling with... If your up for the assistance, I will close this one out and post the other problem??
 one year ago
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