Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

x == 3 or x == -1
ready: yes

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Environment

clipboard=[D == 144, a == 3, b == -6, c == -9]

Path 1

path[0]
steps1
major rules0
active labels
  • quadraticequationstrategy

enter quadraticequationstrategy