Answer:
i am really not sure because i worked it out but i needed to see how they said it .
Step-by-step explanation:
X cannot equal +2, and can't be -1. If you factor it, then you notice you get 2(x+2)(x-2). If you use either one for the x, one will be zero and the won't, and vise-versa.
The answer is 114 just divide 228 by 2
Answer:
The length of the rectangular playing field is 84 yards and the width is 44 yards
Step-by-step explanation:
Let
x ------> the length of the rectangular playing field
y -----> the width of the rectangular playing field
we know that
The perimeter of the rectangular playing field is equal to


so
------> equation A
we have that
-----> equation B
Solve the system by substitution
Substitute equation B in equation A and solve for y





Find the value of x

therefore
The length of the rectangular playing field is 84 yards and the width is 44 yards