9.165151389911680013176094387456
Solution:
n * n = 84
n ^2 = 84
n = sqrt (84)
n = 9.165151389911680013176094387456
check:
9.165151389911680013176094387456^2 = 84 = true!
If you don't mean the square root of 84, then there are a number of numbers you can multiply to get 84, such as these:
42 * 2
28 * 3
21 * 4
14 * 6
7 * 12
The 2 numbers that multiply together to equal 678 are 6 and 113.
-21, 27
60 and 3
-22
The numbers are: 2*113, 1*226.
The two numbers you can multiply together to equal 782 are 23 by 34.
The two numbers you multiply together to equal 391 are 17 by 23.
-30
20
The 2 numbers that multiply together to equal 678 are 6 and 113.
-17
3452
-936
-117
17
-21, 27
22