Factor by grouping.12x2 + 8xy - 15xy - 10y2
A. (4x - 5)(3x + 2)
B. (4x + 5y)(3x + 2y)
C. (12x - 5y)(x + 2y)
D. (4x - 5y)(3x + 2y)
Answer: D
Mathematics
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Use integration by parts to establish a reduction formula for the integral.
A. 
= 
+ 
B. 
= x(ln ax) n - n 
C. 
= ax(ln ax) n - an 
D. 
= 
- 
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Evaluate the expression.10b ÷ 16a, for a = 2 and b = 10
A. 
B. 1600
C. 
D. 
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Find the least common multiple of the denominators of the fractions.
, 
A. 525 B. 2205 C. 124,425 D. 33,075
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Solve for the indicated variable.A = 
h(a + b), for a
A. a = 
B. a = 
C. a = 
D. a = 
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