Do you need to know what two numbers multiply to -15 and add to -138? In other words, do you need to find the two numbers whose product is -15 and sum is -138? No problem! The two numbers that multiply to -15 and add to -138 are as follows:
-138.10861
0.10861
Here is the math to prove that our above answer to "What two numbers multiply to -15 and add to -138?" is correct:
Multiply:
-138.10861 × 0.10861 ≈ -15
Add
-138.10861 + 0.10861 = -138
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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