Do you need to know what two numbers multiply to -128 and add to 98? In other words, do you need to find the two numbers whose product is -128 and sum is 98? No problem! The two numbers that multiply to -128 and add to 98 are as follows:
-1.28916
99.28916
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to 98?" is correct:
Multiply:
-1.28916 × 99.28916 ≈ -128
Add
-1.28916 + 99.28916 = 98
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: