Question

Two numbers that have a product of -90 and a sum of -1

Answer 1

-10 and 9

Explanation:

-10 x 9 = -90

-10 + 9 = -90

Answer 2

-10 and 9

Explanation:

Use the guess and check method and find multiples of 90.

- Hope that helped! Let me know if you need further explanation.