Do you need to know what two numbers multiply to -85 and add to 15? In other words, do you need to find the two numbers whose product is -85 and sum is 15? No problem! The two numbers that multiply to -85 and add to 15 are as follows:
-4.38486
19.38486
Here is the math to prove that our above answer to "What two numbers multiply to -85 and add to 15?" is correct:
Multiply:
-4.38486 × 19.38486 ≈ -85
Add
-4.38486 + 19.38486 = 15
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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