ab = 108 => a != 0, b != 0
so we CAN write b = 108 / a
a + 108 / a = 56
Multiply both side by a
a^2 + 108 = 56a. It's a simple quadratic equation, it will always have a solution over the Complex number, may be even REAL roots.
so when you are done with a, move on to b.
This is hardly abstract.
Chat with our AI personalities
The numbers are -10 and -70
-8 and -8
-4 and -25
15 and -3
-3 and 6