With these types of questions be sure to use the variables indicated In your answer you can also use mathematical expressions for numerical calculations Examples Type 3x 2 5 2 x 3 x sqrt x 5 3 x 7 1 x x 1 5 3x 2 3 Your input To get 3x 5 Your input 2 x 3 x x 5 32 7 1 x x 1 5 2 x 3 3 B Enter the expression A Notice the symbol for powers Notice you need parentheses around the numerator and denominator Be sure to put parentheses around the input sqrt x 3 is OK but sqrtx 3 sqrt x 3 is not Parentheses keeps the 7 together as the power You may need nested parentheses Unless the problem gives specific directions any algebraically equivalent expression is acceptable For example if the answer was x 2 x 3 then x 3 x 2 and 3 x 2 x would also be acceptable Try it here Use the Preview button to see how the computer is interpreting what you typed A Enter the expression 4x 1a 8 Comment Fractions are automatically formatted vertically when previewed 2y 3 4y C Enter the expression w 4 w 1