
Do you need to know what two numbers multiply to -128 and add to 56? In other words, do you need to find the two numbers whose product is -128 and sum is 56? No problem! The two numbers that multiply to -128 and add to 56 are as follows:
-2.19934
58.19934
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to 56?" is correct:
Multiply:
-2.19934 × 58.19934 ≈ -128
Add
-2.19934 + 58.19934 = 56
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: