To find the perfect square needed, you take the "middle" value and half it, then square it. so in this case, take -6, half it into 3, and square it to get 9. you'll be adding 9 to both sides
Answer:
i think 6
Step-by-step explanation:
hope this helps
First multiply 60 x 6 x 45 = 16,200
Then divide, 16,200/350=46.2857