-The '-' symbol is used as a subtraction operator in mathematics. It represents the operation of taking one quantity away from another. It is one of the basic arithmetic operations and is used to calculate the difference between numbers or expressions.
Basic subtraction operation where 'a' is reduced by 'b' to yield 'c'.
a - b = cQuadratic equation where subtraction is used to form the equation.
x^2 - 4x + 4 = 0Integration of a polynomial expression involving subtraction.
\int (x^2 - 3x + 2) \, dx