Factor completely. If the polynomial cannot be factored, say it is prime.15(x - 7)2 - 17(x - 7) - 42
A. (3x + 27)(5x + 42)
B. (3x + 7)(5x + 6)
C. (3x - 28)(5x - 29)
D. (3x + 14)(5x + 13)
Answer: C
Mathematics
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State the domain of the rational function.f(x) = 
A. (-?, ?) B. (-?, 6) ? (6, ?) C. (0, ?) D. (-?, 0) ? (0, ?)
Mathematics
Solve the formula for the specified variable.6x + 7y = 8
A. y = 
B. y = 
x - 
C. y = 
D. y = 
Mathematics
Find all complex-number solutions by completing the square.x2 = -10x - 32
A. x = 5 ± i
B. x = -5 ± 7i
C. x = -5 ± 
D. x = -5 ± i
Mathematics
The system cannot be solved by matrix inverse methods. Find a method that could be used and then solve the system.-2x1 + 6x2 = -46x1 - 18x2 = 12
A. x1 = 2t + 6, x2 = t for any real number t B. x1 = 3t + 2, x2 = t for any real number t C. No Solution D. x1 = 3t + 2 for any real number t, x2 = 0
Mathematics