The complex conjugate pair, 2 - 5.2915i and 2 + 5.2915i, approx, where i is the imaginary square root of -1.
A two digit number whose two digits added together equal 42 and multiplied together equal 82
45 2
Two Numbers consisting only of ones that when multiplied or added equal the same number are 11, and 1.1
34
129
28(-28)
10
266
-29
Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
-8 and -15
-3, -6