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:
-13.84886
5.84886
Here is the math to prove that our above answer to "What two numbers multiply to -81 and add to -8?" is correct:
Multiply:
-13.84886 × 5.84886 ≈ -81
Add
-13.84886 + 5.84886 = -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.
Multiply Add Calculator
Need another answer? Submit another set of values below:
