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The two numbers with the sum of 15 and the product of 56 are: 7 + 8 = 15 7 x 8 = 56
x+y= 15 xy=56 y=15-x You take all of the and make it into x(15-x)=56 then you get -x(x)+15x=56 -x(x)+15x-56=0 Then we break it up (-x+7)(x-8)=0 Then we can solve for our two numbers which are -7 and -8. I think i am missing something though. Hope the rest of your homework goes better. You can pull the negative out of the equation to make it easier.
Reverse the flow from the answer: (((((56 / 7) + 7) x 5) - 3) / 3) = ? 56 / 7 = 8 + 7 = 15 x 5 = 75 - 3 = 72 / 3 = 24 Check the Answer: (((((24 x 3) + 3) / 5) - 7) x 7) = 56 24 x 3 = 72 + 3 = 75 / 5 = 15 - 7 = 8 x 7 = 56 Answer: 24
56/x
Sticking only to whole numbers, it can be 1 x 56 2 x 28 4 x 14 or 7 x 8