Answer:
6x-7
Step-by-step explanation:
4x+2x-7
6x-7
Answer:
11.43
Step-by-step explanation:
Answer:
Z^21
Step-by-step explanation:
Hi there!
First we need to remember the following.

Now substitute both of the formulas.

Work out the parenthesis.

And finally collect terms.

~ Hope this helps you!