Step-by-step explanation:
The answer should be 578mi²
1. Use the FOIL method (x+9)(x+9)
First, outer, inner, last
Add your like terms
2. When you add or subtract polynomials you add or subtract the like terms and then put them in order from largest to smallest exponents.
3.
4. Since it is the perimeter, we add the 3 together.
Add the like terms together:
Put them in order of exponents
Hope this helps
Play 1= -3
Play 2= -8
Play 3= 4
Play 4= 23
Play 5= -6
Answer:
I think you need to have 200 points? I'm not sure
Answer:
x=3 and x=-2 is the root of given eq