Do you need to know what two numbers multiply to -99 and add to 0? In other words, do you need to find the two numbers whose product is -99 and sum is 0? No problem! The two numbers that multiply to -99 and add to 0 are as follows:
-9.94987
9.94987
Here is the math to prove that our above answer to "What two numbers multiply to -99 and add to 0?" is correct:
Multiply:
-9.94987 × 9.94987 ≈ -99
Add
-9.94987 + 9.94987 = 0
The answers above are rounded if necessary. Therefore, if you double check that the answer above is correct by using a calculator, you may find it to be slightly off.
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