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OpenStudy (anonymous):
Determine which polynomial is a difference of two squares: A. a2 + 36 B. a2 − 36 C. a2 − 12 D. a2 + 12?
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OpenStudy (callisto):
is 12 a square number?
OpenStudy (callisto):
1. determine if the number is a square number. 2. determine if the expression is a 'difference' 3. tell us if you still need help!
OpenStudy (anonymous):
Okay thank you!
OpenStudy (anonymous):
So by process of elimination using your #2 it would be narrowed down to B and C?
OpenStudy (callisto):
Yes. And?
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OpenStudy (anonymous):
By using #1 it would be B because 36 = 6 x 6 but 12 cannot?
OpenStudy (callisto):
Yes!
OpenStudy (anonymous):
Thank you so much!
OpenStudy (callisto):
welcome!
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