Do you need to know what two numbers multiply to 129 and add to -71? In other words, do you need to find the two numbers whose product is 129 and sum is -71? No problem! The two numbers that multiply to 129 and add to -71 are as follows:
-69.13406
-1.86594
Here is the math to prove that our above answer to "What two numbers multiply to 129 and add to -71?" is correct:
Multiply:
-69.13406 × -1.86594 ≈ 129
Add
-69.13406 + -1.86594 = -71
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.
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