Q: What are Two numbers that multiply to give -1?

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-1

0

43

They are: -5 and 4

-1

-73

33

3 and 1, as well as -3 and -1, are the only numbers that, when multiplied, produce a product of 3.

-7 and 8

There are many possible pair. One such is 1 and 672

1 x 14, 2 x 7

-13

176

There are infinitely many pairs. One such pair is 1 and -21.

There are infinitely many pairs. An easy pair to remember is 1 and 198.

There are no two real numbers that do, but the complex numbers (2 + i) and (2 - i) will.If you want two numbers that multiply to negative 5 and add to positive 4 then: -1 and 5If you want two numbers that multiply to negative 5 and add to negative 4 then: 1 and -5

3 multiplied by 3 = 9 Apart from 9 and 1, no other whole numbers give that result when multiplied.

13

How about 40 and 1.

233 and 1

1 and 11

1 and 43

1 and 37.

1 and 19

1 and 5.