### Home > INT1 > Chapter A > Lesson A.1.5 > Problem A-53

A-53.

Simplify each expression below as much as possible. Record your work in the same way you did in problem A-51.

Flip subtraction to addition.

Remove zero pairs.

Remember to remove unnecessary signs (Example:

would be).

Follow the steps described in part (a).

Remember a negative multiplied by a negative is a positive.

Remember you cannot add variables with different exponent values. (Example: you cannot add

)

Follow the steps explained inpart (a) and remember the hints in part (b)