Answer:
x = { (5 +- sq.rt(5)) / 2 }
Step-by-step explanation:
Use quadratic formula:
(-b +- sqrt.(b^2 - 4ac)) / (2a)
(5 +- sqrt.(25-4(5)(1))) / (2)
x = { (5 +- sq.rt(5)) / 2 }
Sorry if the symbols are hard to read because I typed it. +- means plus or minus.
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