Question 604906
"the sum of 2 numbers is 12" ---> x+y = 12 ---> y = 12-x

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"their product is 35" ----> xy = 35


xy = 35


x(12-x) = 35


-x^2 + 12x = 35


-x^2 + 12x - 35 = 0


x^2 - 12x + 35 = 0


(x - 7)(x - 5) = 0


x-7 = 0 or x-5 = 0


x = 7 or x = 5


So the two numbers are 5 and 7

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