Factor the expression, if the trinomial is a perfect square. If it is not a perfect square, write "not a perfect square."x2 + 24x + 144
A. (x - 12)2
B. not a perfect square
C. (x + 12)(x - 12)
D. (x + 12)2
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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