Do you need to know what two numbers multiply to -81 and add to 25? In other words, do you need to find the two numbers whose product is -81 and sum is 25? No problem! The two numbers that multiply to -81 and add to 25 are as follows:
-2.90292
27.90292
Here is the math to prove that our above answer to "What two numbers multiply to -81 and add to 25?" is correct:
Multiply:
-2.90292 × 27.90292 ≈ -81
Add
-2.90292 + 27.90292 = 25
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: