Do you need to know what two numbers multiply to -128 and add to -63? In other words, do you need to find the two numbers whose product is -128 and sum is -63? No problem! The two numbers that multiply to -128 and add to -63 are as follows:
-64.97014
1.97014
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to -63?" is correct:
Multiply:
-64.97014 × 1.97014 ≈ -128
Add
-64.97014 + 1.97014 = -63
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: