Do you need to know what two numbers multiply to -129 and add to 8? In other words, do you need to find the two numbers whose product is -129 and sum is 8? No problem! The two numbers that multiply to -129 and add to 8 are as follows:
-8.04159
16.04159
Here is the math to prove that our above answer to "What two numbers multiply to -129 and add to 8?" is correct:
Multiply:
-8.04159 × 16.04159 ≈ -129
Add
-8.04159 + 16.04159 = 8
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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