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Wiki User
66
Michael Bogisich ∙
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
71
20
370
35
-113
The answers are: -5*-3 = 15, -8*7 = -56 and -4*-12 = 48
59
728
If going up to 12 times, then 56 is in the 7 times and 8 times tables.
227
7x7=49
47
11.25
-151
249
4 x 25
-79