Exercise

Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

x == 11 or x == -9

ready: yes

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(no onefirst)
allfirsts (0)
allapplications
derivation
microsteps

Path 1

path [0, 0, 4, 0, 5, 0, 1, 0, 0, 5, 2, 0, 1]
steps 13
major rules 3
active labels
quadraticequationstrategy

enter quadraticequationstrategy, enter generalform, algebra.equations.coverup.power, exit generalform, navigator.down, enter constantform, algebra.equations.coverup.onevar.minus-left, exit constantform, navigator.up, navigator.down, navigator.right, enter constantform, algebra.equations.coverup.onevar.minus-left

path	[0, 0, 4, 0, 5, 0, 1, 0, 0, 5, 2, 0, 1]
steps	13
major rules	3
active labels	quadraticequationstrategy