Do you need to know what two numbers multiply to -15 and add to 28? In other words, do you need to find the two numbers whose product is -15 and sum is 28? No problem! The two numbers that multiply to -15 and add to 28 are as follows:
-0.52584
28.52584
Here is the math to prove that our above answer to "What two numbers multiply to -15 and add to 28?" is correct:
Multiply:
-0.52584 × 28.52584 ≈ -15
Add
-0.52584 + 28.52584 = 28
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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