Do you need to know what two numbers multiply to -128 and add to -51? In other words, do you need to find the two numbers whose product is -128 and sum is -51? No problem! The two numbers that multiply to -128 and add to -51 are as follows:
-53.39713
2.39713
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to -51?" is correct:
Multiply:
-53.39713 × 2.39713 ≈ -128
Add
-53.39713 + 2.39713 = -51
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: