Do you need to know what two numbers multiply to -99 and add to -21? In other words, do you need to find the two numbers whose product is -99 and sum is -21? No problem! The two numbers that multiply to -99 and add to -21 are as follows:
-24.96548
3.96548
Here is the math to prove that our above answer to "What two numbers multiply to -99 and add to -21?" is correct:
Multiply:
-24.96548 × 3.96548 ≈ -99
Add
-24.96548 + 3.96548 = -21
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.
Multiply Add Calculator
Need another answer? Submit another set of values below: