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Sabryna Dooley

Lvl 10
3y ago
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9y ago

There are no two whole numbers that multiply to 7 and add to -30; however, the following two Irrational Numbers do:

-15 + √218 (≈ -0.235) and -15 - √218 (≈ -29.765)

[Two numbers that multiply to -30 and add to 7 are 10 and -3.]

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Q: What two factors of 7 add up to -30?
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