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-25

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Shana Bradtke

Lvl 10
3y ago
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Wiki User

10y ago

The factor pairs of -30 are (-30 , 1), (-15 , 2), (-10 , 3), (-6 , 5), (30 , -1),

(15 , -2), (10 , -3), and (6 , -5).

None of them add up to 5. So we know that the answer to the question

can't be whole numbers.

With some stronger tools, we find that (8.5208) and (-3.5208) come

pretty close to doing the job.

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Q: What multiplies to -30 and adds up to 5?
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