Answer with explanation:
a)

On opening the parentheses term we get:

On combining the like terms:


b)

on using the distributive property for the first terms and opening the parentheses for the second term we have:

c)

On combing the like terms we have:

d)

on using the distributive property for the first terms and opening the parentheses for the second term we have:

Now, on combining the like terms we have:
