Do you need to know what two numbers multiply to 81 and add to -31? In other words, do you need to find the two numbers whose product is 81 and sum is -31? No problem! The two numbers that multiply to 81 and add to -31 are as follows:
-28.11943
-2.88057
Here is the math to prove that our above answer to "What two numbers multiply to 81 and add to -31?" is correct:
Multiply:
-28.11943 × -2.88057 ≈ 81
Add
-28.11943 + -2.88057 = -31
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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