Do you need to know what two numbers multiply to -81 and add to -28? In other words, do you need to find the two numbers whose product is -81 and sum is -28? No problem! The two numbers that multiply to -81 and add to -28 are as follows:
-30.64332
2.64332
Here is the math to prove that our above answer to "What two numbers multiply to -81 and add to -28?" is correct:
Multiply:
-30.64332 × 2.64332 ≈ -81
Add
-30.64332 + 2.64332 = -28
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: