You can put this solution on YOUR website! Multiply: You can start with the numbers by canceling common factors where possible. For the 14 and 35, 7 is a common factor, and for the -3 and -9, -3 is a common factor.
Now the variables, a and b. If you have trouble seeing exactly what can be canceled, you can rewrite the expression as follows:
Now, for every a in the top, cancel an a in the bottom...one-for-one. Do the same with the b's until you get: Continue the canceling. Finally, multiply the numerators and the denominators.