x + 8x2 - 5 = 0
2x2 - 5x + 8 = 0
2x2 - 8x + 5 = 0
x2 + 8x - 5 = 0
Correct answer is B
x2 - (sum of roots) x + (product of roots) = 0
x2 - 5x2 + 4 = 0
2x2 - 5x + 8 = 0
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