Assertion: tschirnhaus transformation | /r/CapableOf | replace the variable
Facets:
value: by a quadratic function
type: OTHER
value: in the case of the cubic
type: OTHER
Source sentences:
text: In the case of the cubic, Tschirnhaus transformations replace the variable by a quadratic function, thereby making it possible to eliminate two terms, and so can be used to eliminate the linear term in a depressed cubic to achieve the solution of the cubic by a combination of square and cube roots.