Q: What numbers times together to make -21?

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21 x 7 49 x 3 147 x 1

3 and 7

The numbers are: 1 plus square root of 21 and 1 minus square root of 21

7x3 or 3x7, which is all you can do to multiply to get 21.

The factor pairs of 189 are: 1 x 189 3 x 63 7 x 27 9 x 21

Related questions

21 x 7 49 x 3 147 x 1

3 and 7

1 x 42 2 x 21 3 x 14 6 x 7

The numbers are: 1 plus square root of 21 and 1 minus square root of 21

42

7x3 or 3x7, which is all you can do to multiply to get 21.

The factor pairs of 189 are: 1 x 189 3 x 63 7 x 27 9 x 21

The numbers are: -1 and -20

21

The numbers are: 3 -sq rt of 21 and 3 +sq rt of 21

7 and 21

10.5 x 2=21