Is it 3 miles? From what you wrote, I believe this would be the answer.
Answer:
x=-2 or x=7
Step-by-step explanation:
subtract 14 on both sides
factor the left side of the equation
find what minus what equals 0
then you get x=-2 and x=7
Answer:
![x^2 - 25](https://tex.z-dn.net/?f=x%5E2%20-%2025)
Step-by-step explanation:
(x + 5)(x - 5)
![x^2 - 25](https://tex.z-dn.net/?f=x%5E2%20-%2025)
By the identity of (a + b)(a - b)
Answer:
12
Step-by-step explanation:
<u>simplify:</u> 15 + -3
<u>combine:</u> 15 + -3 = 12
He forgot to do the parenthesis before the exponent gets added!