Do you need to know what two numbers multiply to -77 and add to -128? In other words, do you need to find the two numbers whose product is -77 and sum is -128? No problem! The two numbers that multiply to -77 and add to -128 are as follows:
-128.59876
0.59876
Here is the math to prove that our above answer to "What two numbers multiply to -77 and add to -128?" is correct:
Multiply:
-128.59876 × 0.59876 ≈ -77
Add
-128.59876 + 0.59876 = -128
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: