What is the result of adding 17 to its opposite

The answer is zero (0), when you add any number to it's opposite you always get zero

{3 + i, 3 - i, 3, -1}

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length