式しき変へん形けい

noun

formula transformation; expression manipulation

Technical term in mathematics for rewriting or deforming an expression or formula, often to simplify or solve it.

• この問もん題だいは式しき変へん形けいを工く夫ふうすると簡かん単たんに解とける。

  This problem can be solved easily if you manipulate the expression cleverly.

• 式しき変へん形けいの過か程ていで符ふ号ごうを間ま違ちがえないように注ちゅう意いしてください。

  Be careful not to make a sign mistake during the transformation process.