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15 and -6

Q: What two numbers when added equal nine and when multiplied equal negative ninety?

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No two numbers exist.for the two numbers to be added to be negative and multiplied to be positive, both numbers must be negative, and the highest possible multiplication for two numbers added to -12 would be (-6 and -6) but multiplied, yields 36. So, no such numbers would exist.

3, -15

24

-8 and 7

15 and -3

Related questions

No two numbers exist.for the two numbers to be added to be negative and multiplied to be positive, both numbers must be negative, and the highest possible multiplication for two numbers added to -12 would be (-6 and -6) but multiplied, yields 36. So, no such numbers would exist.

273

3, -15

Negetive 28 and 1

145

24

-8 and 7

9 and negative 24

6 and -5

67

-2/3 & 3/2

16