Do you need to know what two numbers multiply to -8 and add to 20? In other words, do you need to find the two numbers whose product is -8 and sum is 20? No problem! The two numbers that multiply to -8 and add to 20 are as follows:
-0.3923
20.3923
Here is the math to prove that our above answer to "What two numbers multiply to -8 and add to 20?" is correct:
Multiply:
-0.3923 × 20.3923 ≈ -8
Add
-0.3923 + 20.3923 = 20
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: