i think its 1
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
There is no such number.
8.831760866327848
6.2449979983983982058468931209398
8.3066239
10.95445115010332
18
25.6125
Anything multiplied by one is itself.
One multiplied by one equals one. This is because any number that is multiplied by one equals itself. In this case, it equals one.
50x2
13, -13