Do you need to know what two numbers multiply to -78 and add to 85? In other words, do you need to find the two numbers whose product is -78 and sum is 85? No problem! The two numbers that multiply to -78 and add to 85 are as follows:
-0.90795
85.90795
Here is the math to prove that our above answer to "What two numbers multiply to -78 and add to 85?" is correct:
Multiply:
-0.90795 × 85.90795 ≈ -78
Add
-0.90795 + 85.90795 = 85
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: