Do you need to know what two numbers multiply to -78 and add to 86? In other words, do you need to find the two numbers whose product is -78 and sum is 86? No problem! The two numbers that multiply to -78 and add to 86 are as follows:
-0.89761
86.89761
Here is the math to prove that our above answer to "What two numbers multiply to -78 and add to 86?" is correct:
Multiply:
-0.89761 × 86.89761 ≈ -78
Add
-0.89761 + 86.89761 = 86
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: