Do you need to know what two numbers multiply to -129 and add to 45? In other words, do you need to find the two numbers whose product is -129 and sum is 45? No problem! The two numbers that multiply to -129 and add to 45 are as follows:
-2.70417
47.70417
Here is the math to prove that our above answer to "What two numbers multiply to -129 and add to 45?" is correct:
Multiply:
-2.70417 × 47.70417 ≈ -129
Add
-2.70417 + 47.70417 = 45
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: