Do you need to know what two numbers multiply to 9 and add to -20? In other words, do you need to find the two numbers whose product is 9 and sum is -20? No problem! The two numbers that multiply to 9 and add to -20 are as follows:
-19.53939
-0.46061
Here is the math to prove that our above answer to "What two numbers multiply to 9 and add to -20?" is correct:
Multiply:
-19.53939 × -0.46061 ≈ 9
Add
-19.53939 + -0.46061 = -20
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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