Do you need to know what two numbers multiply to 81 and add to -123? In other words, do you need to find the two numbers whose product is 81 and sum is -123? No problem! The two numbers that multiply to 81 and add to -123 are as follows:
-122.3379
-0.6621
Here is the math to prove that our above answer to "What two numbers multiply to 81 and add to -123?" is correct:
Multiply:
-122.3379 × -0.6621 ≈ 81
Add
-122.3379 + -0.6621 = -123
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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