Do you need to know what two numbers multiply to -81 and add to 8? In other words, do you need to find the two numbers whose product is -81 and sum is 8? No problem! The two numbers that multiply to -81 and add to 8 are as follows:
-5.84886
13.84886
Here is the math to prove that our above answer to "What two numbers multiply to -81 and add to 8?" is correct:
Multiply:
-5.84886 × 13.84886 ≈ -81
Add
-5.84886 + 13.84886 = 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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