Eliminating Parentheses Exercises

Example 1

Get rid of the parentheses.

-(-xy)

Example 2

Get rid of the parentheses.

8(a + b)

Example 3

Get rid of the parentheses.

3 + (x + y)

Example 4

Get rid of the parentheses.

4 – (x2 + y)

Example 5

Get rid of the parentheses.

5{2x + y[3 – (x + z)]}

Example 6

Get rid of the parentheses.

7[3 + 2(a + 4b2) + a2]

Example 7

Get rid of the parentheses.

2(a – 3b) – b(a + b)