Answer:
[(5 ± √(29)) ÷ 2]
Explanation:
x = [(-b ± √(b² - 4ac)) ÷ 2a]
= [(-(-5) ± √((-5)² - 4(1)(-1))) ÷ 2(1)]
= [(5 ± √(25 + 4)) ÷ 2]
= [(5 ± √(29)) ÷ 2]
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