Answer:
<h2>n = - 8</h2>
Step-by-step explanation:
<u>Expand the terms in the bracket</u>
That's
Subtract 2n from both sides of the equation
Subtract 20 from both sides of the equation
<u>Divide both sides by 2</u>
We have the final answer as
<h3>n = - 8</h3>
Hope this helps you
Answer:
441 if it's not right then I'm sorry I tried
Answer:
i dont know Ecactly but i think mybe its 10 or 15