Fill in the missing factor.x2 + 16x + 63 = (x + 9)( )
A. x + 54
B. x2 + 7
C. x - 25
D. x + 7
Answer: D
Mathematics
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Solve for x in the following.
x = 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Mathematics
Simplify. Write the answer with positive exponents.5-2
A. 
B. -25
C. 
D. 25
Mathematics
Rewrite the expression without using negative exponents. (Assume all variables represent nonzero real numbers.)3x-6
A. 
B. -3x
C. 
D. 3x6
Mathematics