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OpenStudy (anonymous):
would the answer be D? or A...
OpenStudy (anonymous):
none
OpenStudy (anonymous):
oh........ why?
OpenStudy (anonymous):
\[2x^2(4x^2+ 9x – 13)\]
now we are multiplying
OpenStudy (anonymous):
so \[2x^2\] should multiply each item in the bracket
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OpenStudy (anonymous):
hmm, so C?
OpenStudy (anonymous):
almost there but notice that even the power changes \[2x^2(4x^2)=8x^{4}\]
OpenStudy (anonymous):
the powers add each other\[x^a(x^b)=x^{a+b}\]
OpenStudy (anonymous):
oh. ok. I wasnt sure if i was supposed to change the powers as well.
OpenStudy (anonymous):
Which of the following represents the area of a rectangle whose length is x – 7 and whose width is
x + 12?
x2+ 5x – 84
x2– 84
x2– 5x – 84
x2– 84x + 5
IS C THE CORRECT ANSWER?
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OpenStudy (anonymous):
lol...
OpenStudy (anonymous):
what?
OpenStudy (anonymous):
so did you get the answer to the previous one
OpenStudy (anonymous):
Yes I did.
OpenStudy (anonymous):
you shud ask a new question as a new question
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OpenStudy (anonymous):
I'm not 100% sure on this question :l
OpenStudy (anonymous):
ok,
OpenStudy (anonymous):
I'll close this question and post a new one so i can give u a medal.