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The prime factors of 144 are 2, 2, 2, 2, 3 and 3

To get a negative sum and a positive product we need to use an even amount of negative numbers.

-2 x -3 = 6

-2 x -2 x -(2 x 3) = +4 x -6 = -24

-24 + 6 = -18

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16y ago

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