Answer:
Step-by-step explanation: You added the following numbers multiplied the product by 5 = 17 and then you abbrieviated it and reapeated the process
42 - 12x = 6
Solve for 6
12x = 36
x = 3
Y-2=3x+3
Then add two
So y=3x+5
Hope this helps sorry if wrong
Most of the square numbers are even.so if we need to find root over we need an even number to convert it to perfect square.
See the example below






Some other triplets are
- (6,8,10)
- (5,12,13)
- (8,15,17)