0
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There is no pair of real numbers which answers this question.
You are trying to factor x2+8x+56?
The discriminant, b2-4ac, = 82-4(1)(56) = 64-224 = -160. Since the discriminant is negative, the quadratic can't be factored.
-239
50
The numbers are 2 and -4
8 and 2
-36
8 and -60
23
22
56
The answers are: -5*-3 = 15, -8*7 = -56 and -4*-12 = 48
20
-12