PS Algebra I
when simplifying an expression, this is the procedure you must use: 1) simplify any grouping symbols found within the expression (grouping symbols: ( ), [ ], { }) 2) simplify any exponents (powers) and roots 3) simplify any multiplication and division in order from left to right 4) simplify any addition and subtraction in order from left to right
PEMDAS! -”P”: parentheses (grouping symbols) -”E”: exponents (powers)/roots -”M”: multiplication -”D”: division -”A”: addition -”S”: subtraction “Please excuse my dear Aunt Sally” Any others?