Do you need to know what two numbers multiply to -71 and add to 128? In other words, do you need to find the two numbers whose product is -71 and sum is 128? No problem! The two numbers that multiply to -71 and add to 128 are as follows:
-0.5523
128.5523
Here is the math to prove that our above answer to "What two numbers multiply to -71 and add to 128?" is correct:
Multiply:
-0.5523 × 128.5523 ≈ -71
Add
-0.5523 + 128.5523 = 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: