Do you need to know what two numbers multiply to 129 and add to -138? In other words, do you need to find the two numbers whose product is 129 and sum is -138? No problem! The two numbers that multiply to 129 and add to -138 are as follows:
-137.0588
-0.9412
Here is the math to prove that our above answer to "What two numbers multiply to 129 and add to -138?" is correct:
Multiply:
-137.0588 × -0.9412 ≈ 129
Add
-137.0588 + -0.9412 = -138
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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