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Algebra
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OpenStudy (anonymous):
Find the product.
(7-10x)^2
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OpenStudy (anonymous):
@Vlery
OpenStudy (vlery):
find x?
OpenStudy (anonymous):
I guess it wants you to find the product of the whole equation do you want me to post answer choices?
OpenStudy (vlery):
yes please
OpenStudy (anonymous):
ok hold on just one sec
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OpenStudy (anonymous):
B. 49-149x+100x
C. 49+100x
D. 49-140x-100x
OpenStudy (vlery):
wheres a? lol
OpenStudy (anonymous):
it was wrong lol
OpenStudy (anonymous):
i think it is between B or D
OpenStudy (anonymous):
@Vlery are you there?
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OpenStudy (vlery):
yea I'm here
OpenStudy (anonymous):
I am thinking B what do you think
OpenStudy (vlery):
I'm pretty sure it's C
OpenStudy (anonymous):
i guess i will try C. and see i thought it was B.
OpenStudy (anonymous):
opps hold on a sec
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OpenStudy (anonymous):
B. 49-140x+100x^2
C. 49 + 100x^2
D. 49- 140x-100x^2
OpenStudy (anonymous):
i saw where i messed up on the answers
OpenStudy (uri):
You use this formula:
(a-b) ^2 =a^2-2ab +b^2
(7-10x)^2 =49-140+100x^2
OpenStudy (anonymous):
so it is B. @uri
OpenStudy (uri):
Ye :)
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OpenStudy (anonymous):
Thank you I thought so :)
OpenStudy (anonymous):
Thank you @Vlery also :)
OpenStudy (vlery):
sorry I couldn't help much
OpenStudy (anonymous):
NO its fine would you like to help me with another?
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