Do you need to know what two numbers multiply to -18 and add to -81? In other words, do you need to find the two numbers whose product is -18 and sum is -81? No problem! The two numbers that multiply to -18 and add to -81 are as follows:
-81.22162
0.22162
Here is the math to prove that our above answer to "What two numbers multiply to -18 and add to -81?" is correct:
Multiply:
-81.22162 × 0.22162 ≈ -18
Add
-81.22162 + 0.22162 = -81
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: