Find the value of x.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Find all real solutions to the system of equations using the addition method. x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2), (1, -2) B. (2, 1), (-2, -1) C. (1, 2), (-1, 2), (1, -2), (-1, -2) D. (2, 1), (2, -1), (-2, 1), (-2, -1)
Mathematics
Factor.30 - 7x - 2x2
A. -(2x - 6)(x + 5) B. -(2x + 6)(x - 5) C. -(2x + 5)(x - 6) D. -(2x - 5)(x + 6)
Mathematics
Simplify the complex fraction.
A. 1
B. 12
C. 
D. 
Mathematics
Divide and simplify to the form a + bi.
A. i B. 2 + 2i C. Undefined D. -2 + 2i
Mathematics