Do you need to know what two numbers multiply to -11 and add to 21? In other words, do you need to find the two numbers whose product is -11 and sum is 21? No problem! The two numbers that multiply to -11 and add to 21 are as follows:
-0.51136
21.51136
Here is the math to prove that our above answer to "What two numbers multiply to -11 and add to 21?" is correct:
Multiply:
-0.51136 × 21.51136 ≈ -11
Add
-0.51136 + 21.51136 = 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: