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Question

Solve for x: x2 - 5x + 8 = 0

A
x =(5+i7)2 and x =(5i7)2
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B
x =(5+i7)2 and x =(5i7)2
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C
x =(8+i57)2 and x =(8i57)2
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D
x =(8+i57)2 and x =(8i57)2
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Solution

The correct option is B x =(5+i7)2 and x =(5i7)2
x25x+8=0a=1,b=5,c=8 roots=b±b24ac2ax=5±25322x=5±i72

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