Answer:
Solution 1: 1+1
Solution 2: 1-
Step-by-step explanation:
x^2-2=2x
x^2-2x-2=0
Use quadratic equation.
(-b+-)/2a
(2+-)/2
(2+-)/2
(2+-)/2
Solution 1: (2+2)/2=1+1
Solution 2: 1-
Answer:
(5,15)
Step-by-step explanation:
A.
Perimeter of Rectangle = 2W + 2L
20 = 2W + 2L = 4 sides
20/4 = 5
5' × 5'