Will the sum of 56+ (-56) be Positive negative or zero

the answer would be 0 i presume

Step-by-step explanation:

ty for reading :P

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

(x) - (y) = (1 + 4i)