Do you need to know what two numbers multiply to 21 and add to -145? In other words, do you need to find the two numbers whose product is 21 and sum is -145? No problem! The two numbers that multiply to 21 and add to -145 are as follows:
-144.85503
-0.14497
Here is the math to prove that our above answer to "What two numbers multiply to 21 and add to -145?" is correct:
Multiply:
-144.85503 × -0.14497 ≈ 21
Add
-144.85503 + -0.14497 = -145
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.
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