Do you need to know what two numbers multiply to -80 and add to 1? In other words, do you need to find the two numbers whose product is -80 and sum is 1? No problem! The two numbers that multiply to -80 and add to 1 are as follows:
-8.45824
9.45824
Here is the math to prove that our above answer to "What two numbers multiply to -80 and add to 1?" is correct:
Multiply:
-8.45824 × 9.45824 ≈ -80
Add
-8.45824 + 9.45824 = 1
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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