Do you need to know what two numbers multiply to -40 and add to 13? In other words, do you need to find the two numbers whose product is -40 and sum is 13? No problem! The two numbers that multiply to -40 and add to 13 are as follows:
-2.56918
15.56918
Here is the math to prove that our above answer to "What two numbers multiply to -40 and add to 13?" is correct:
Multiply:
-2.56918 × 15.56918 ≈ -40
Add
-2.56918 + 15.56918 = 13
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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