Do you need to know what two numbers multiply to -90 and add to -51? In other words, do you need to find the two numbers whose product is -90 and sum is -51? No problem! The two numbers that multiply to -90 and add to -51 are as follows:
-52.70754
1.70754
Here is the math to prove that our above answer to "What two numbers multiply to -90 and add to -51?" is correct:
Multiply:
-52.70754 × 1.70754 ≈ -90
Add
-52.70754 + 1.70754 = -51
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: