Answer:
x=-12
Step-by-step explanation:
X is obviously 1
1x2=2
Entao...(So...)
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Answer: 
Step-by-step explanation:
Given: Perimeter of triangular garden = 
The sum of two sides of the garden = 
Perimeter is the sum of all sides of a triangle.
Third side = Perimeter of triangular garden - sum of two sides of the garden

The expression represent the third side =
.
Answer to 1: 648
Answer to 2: 175