Find all real and imaginary solutions.x3 + 5x2 + 9x + 45 = 0

A. {-5, ±3i}
B. {-5, ±}
C. {-5, 45i, 9i}
D. {-, ±3i}


Answer: A

Mathematics

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Factor completely. If the polynomial cannot be factored, write prime.x2 + 3x - 108

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Perform the indicated operations given the matrices.Let A =  and B = ; 3A + B

A.
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Mathematics