Do you need to know what two numbers multiply to -54 and add to 21? In other words, do you need to find the two numbers whose product is -54 and sum is 21? No problem! The two numbers that multiply to -54 and add to 21 are as follows:
-2.31601
23.31601
Here is the math to prove that our above answer to "What two numbers multiply to -54 and add to 21?" is correct:
Multiply:
-2.31601 × 23.31601 ≈ -54
Add
-2.31601 + 23.31601 = 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.
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