DefinitionA Like Terms Calculator simplifies algebraic expressions by adding up terms that share the compatible variables and power. For example, if you enter the expression ( 3x^2 + 5x - 2x^2 + 4x ) the calculator will combine like terms to simplify it to ( (3x^2 - 2x^2) + (5x + 4x) = x^2 + 9x ).