Do you need to know what two numbers multiply to -21 and add to -120? In other words, do you need to find the two numbers whose product is -21 and sum is -120? No problem! The two numbers that multiply to -21 and add to -120 are as follows:
-120.17475
0.17475
Here is the math to prove that our above answer to "What two numbers multiply to -21 and add to -120?" is correct:
Multiply:
-120.17475 × 0.17475 ≈ -21
Add
-120.17475 + 0.17475 = -120
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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