Use directed number with algebra. If a 0 then the equation is linear not quadratic as there is no ax² term. Additionally there are several uses and meanings for the various brackets.
Leave the parentheses 4 - 3 4 - 6 3 Do the operation in the brackets 4 - 3 -2 3 The bracket informs you to multiply the number within which is -3 x -2 4 6 3.
You can also create math equations using on the keyboard using a combination of keywords and math autocorrect codes. In mathematics brackets of various typographical forms such as parentheses square brackets braces and angle brackets are frequently used in mathematical notation. Additionally there are several uses and meanings for the various brackets. This allows you to have a complex expression like this.