Do you need to know what two numbers multiply to -78 and add to 18? In other words, do you need to find the two numbers whose product is -78 and sum is 18? No problem! The two numbers that multiply to -78 and add to 18 are as follows:
-3.60952
21.60952
Here is the math to prove that our above answer to "What two numbers multiply to -78 and add to 18?" is correct:
Multiply:
-3.60952 × 21.60952 ≈ -78
Add
-3.60952 + 21.60952 = 18
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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