noun
formula transformation; expression manipulation
Technical term in mathematics for rewriting or deforming an expression or formula, often to simplify or solve it.
この問題は式変形を工夫すると簡単に解ける。
This problem can be solved easily if you manipulate the expression cleverly.
式変形の過程で符号を間違えないように注意してください。
Be careful not to make a sign mistake during the transformation process.