PEMDAS is an acronym and stands for parenthesis exponents multiply divide add and subtract. By using this website you agree to our Cookie Policy. Free Pre-Algebra Algebra Trigonometry Calculus Geometry Statistics and Chemistry calculators step-by-step This website uses cookies to ensure you get the best experience.
Frac1an a - n Using this gives 22left 5 - 9x right 2 - 3left x - 2 right So we now have the same base and each base has a single exponent on it so we can set the exponents equal.
This excellent video shows you a clean blackboard with the instructors voice showing exactly what to do. Ignore the bases and simply set the exponents equal to each other x 1 9 Step 2. Today we are going to see an example that will help you to solve problems with exponents or powers. For example you cannot simplify you simply have to solve the exponents separately and then multiply the two numbers.