Write the product in standard form.i(8 - 6i)(7 - 4i)
A. 74 + 32i
B. 80 - 10i
C. 24i3 + 74i2 + 56i
D. -74 - 32i
Answer: A
Mathematics
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Use Cramer's rule to solve the system.y = - 
x + 
y = - 2x + 2
A. {(2,-6)} B. {(-2, 6)} C. {(-6,-2)} D. {(6, -2)}
Mathematics
Evaluate the integral.
A. 
tan6 x + C
B. 
tan8 x + C
C. 6 sec2 x tan6 x + C
D. 6 sec6 x + C
Mathematics
Factor completely.20x2 - 3x - 9
A. (4x + 3)(5x - 3) B. cannot be factored C. (20x - 3)(x + 3) D. (4x - 3)(5x + 3)
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Use the quadratic formula to solve the equation.p2 + p - 9 = 0
A. -1 ± 
B. 
C. 
D. 
Mathematics