Do you need to know what two numbers multiply to -3 and add to -21? In other words, do you need to find the two numbers whose product is -3 and sum is -21? No problem! The two numbers that multiply to -3 and add to -21 are as follows:
-21.1419
0.1419
Here is the math to prove that our above answer to "What two numbers multiply to -3 and add to -21?" is correct:
Multiply:
-21.1419 × 0.1419 ≈ -3
Add
-21.1419 + 0.1419 = -21
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: