Exercise algebra.manipulation.rational.simplify

Description
simplify a rational expression (with a variable in a divisor)

((x+1)*4*x-(x+2)*2*x)/((x+2)*(x+1))

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Path 1

path	[0, 0, 0, 0, 1, 0, 0]
steps	7
major rules	2
active labels	simplifyrationalexpression writeasdivision