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Mathematics, 14.10.2019 23:00 lwaites18

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?
a.1 plus-or-minus startroot 21 endroot i
b. negative 1 plus-or-minus startroot 19 endroot i
c.1 plus-or-minus 2 startroot 19 endroot i
d.1 plus-or-minus startroot 19 endroot i

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Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?
a.1 plus-or-minu...
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