Do you need to know what two numbers multiply to -15 and add to 86? In other words, do you need to find the two numbers whose product is -15 and sum is 86? No problem! The two numbers that multiply to -15 and add to 86 are as follows:
-0.17407
86.17407
Here is the math to prove that our above answer to "What two numbers multiply to -15 and add to 86?" is correct:
Multiply:
-0.17407 × 86.17407 ≈ -15
Add
-0.17407 + 86.17407 = 86
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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