Do you need to know what two numbers multiply to 129 and add to -87? In other words, do you need to find the two numbers whose product is 129 and sum is -87? No problem! The two numbers that multiply to 129 and add to -87 are as follows:
-85.49107
-1.50893
Here is the math to prove that our above answer to "What two numbers multiply to 129 and add to -87?" is correct:
Multiply:
-85.49107 × -1.50893 ≈ 129
Add
-85.49107 + -1.50893 = -87
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: