Factor.49 - 81x2
A. (7 + 9x)2
B. (7 - 9x)2
C. 49 - 81x2
D. (7 + 9x)(7 - 9x)
Answer: D
Mathematics
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B. [154]
C. 
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Fill in the blank(s) with the appropriate word(s).
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Multiply the rational expressions: .
a. 
b. 
c. 
d. 
Mathematics