Yairethbco30121 Yairethbco30121
  • 19-01-2024
  • Mathematics
contestada

Which of the following would best be solved using completing the square?

a. 2x³-12x²+5x-30=0
b. 5x²+7x=12
c. x²+4x-21=0
d. x²=81

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