Do you need to know what two numbers multiply to -99 and add to -89? In other words, do you need to find the two numbers whose product is -99 and sum is -89? No problem! The two numbers that multiply to -99 and add to -89 are as follows:
-90.09879
1.09879
Here is the math to prove that our above answer to "What two numbers multiply to -99 and add to -89?" is correct:
Multiply:
-90.09879 × 1.09879 ≈ -99
Add
-90.09879 + 1.09879 = -89
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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