Do you need to know what two numbers multiply to -15 and add to 87? In other words, do you need to find the two numbers whose product is -15 and sum is 87? No problem! The two numbers that multiply to -15 and add to 87 are as follows:
-0.17207
87.17207
Here is the math to prove that our above answer to "What two numbers multiply to -15 and add to 87?" is correct:
Multiply:
-0.17207 × 87.17207 ≈ -15
Add
-0.17207 + 87.17207 = 87
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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