a x b = 63
a + b = 32
a = 63/b
a = 32 - b
32 - b = 63/b
32 = 63/b +b
32b = 63 + b2
0 = b2 - 32b + 63
using the quadratic equation
32 +/- sq rt ( -322 - 4 x 1 x 63) / 2 x 1
2.108 and
29.892
5 and -3
-1
199
-7
-13
-1
I don’t know and don’t care
-29
-1 and 18
4 and 7
-17
20