The factor pairs of 56 are (56,1)(28,2)(14,4)(8,7)
None of them add up to 10. If that was -56, you could use 14 and -4
The answers are: -5*-3 = 15, -8*7 = -56 and -4*-12 = 48
59
-56
If going up to 12 times, then 56 is in the 7 times and 8 times tables.
728
227
7x7=49
11.25
47
-151
249
4 x 25