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OpenStudy (anonymous):
I don't understand this question, can you please help?
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OpenStudy (anonymous):
The question is: Simplify. (2a – 5)2 It seems simple, so I thought that the answer would simply be 2a - 25, but the answer choices are very strange. A. 42a – 7 + 16 B. 4a2 – 25 C. 4a2– 20a + 10 D. 4a2 – 20a + 25
OpenStudy (anonymous):
I don't understand how someone would get those answers
OpenStudy (anonymous):
I believe it is C.
OpenStudy (anonymous):
Sorry, I forgot to add that the 2 next to the 5 is an exponent. The 5 is sqaured.
OpenStudy (anonymous):
How did you get the -20?
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