Exercise

Exercise algebra.equations.quadratic.no-abc

Description
solve a quadratic equation without abc-formula

10*x^2+20*x+50 == 40

ready: no

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onefirst
allfirsts (1)
allapplications
derivation
microsteps

Path 1

path [0, 7, 7, 1, 0, 0, 0, 0, 7, 7, 1, 2, 0, 0, 0, 0, 7, 5]
steps 18
major rules 3
active labels
quadraticequationstrategy

enter quadraticequationstrategy, enter topform, navigator.down, navigator.down, algebra.equations.quadratic.distr-square, navigator.up, navigator.up, exit topform, enter topform, navigator.down, navigator.down, navigator.right, algebra.equations.quadratic.distr-square, navigator.up, navigator.up, exit topform, enter topform, algebra.equations.linear.merge

path	[0, 7, 7, 1, 0, 0, 0, 0, 7, 7, 1, 2, 0, 0, 0, 0, 7, 5]
steps	18
major rules	3
active labels	quadraticequationstrategy