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  • 13-03-2024
  • Mathematics
contestada

Solve the quadratic equation.
-2z²-2z+5=0
a) z = (-1 ± √21) /2
b) z = (1 ± √21) /2
c) z = (-1 ± √29) /2
d) z = (1 ± √29) /2

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