Do you need to know what two numbers multiply to 9 and add to -31? In other words, do you need to find the two numbers whose product is 9 and sum is -31? No problem! The two numbers that multiply to 9 and add to -31 are as follows:
-30.70691
-0.29309
Here is the math to prove that our above answer to "What two numbers multiply to 9 and add to -31?" is correct:
Multiply:
-30.70691 × -0.29309 ≈ 9
Add
-30.70691 + -0.29309 = -31
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: