Do you need to know what two numbers multiply to 21 and add to -142? In other words, do you need to find the two numbers whose product is 21 and sum is -142? No problem! The two numbers that multiply to 21 and add to -142 are as follows:
-141.85196
-0.14804
Here is the math to prove that our above answer to "What two numbers multiply to 21 and add to -142?" is correct:
Multiply:
-141.85196 × -0.14804 ≈ 21
Add
-141.85196 + -0.14804 = -142
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: