Answer:
5
Step-by-step explanation:
We can subtract both sides of the equation by 3, getting 3 + p - 3 = 8 - 3.
Then we can evaluate, getting p = 8 - 3 = 5.
x={1+i√19 , 1-i√19}
solve this by using quadratic formula
It is possible to have a triangle with those lengths
