Do you need to know what two numbers multiply to -30 and add to -15? In other words, do you need to find the two numbers whose product is -30 and sum is -15? No problem! The two numbers that multiply to -30 and add to -15 are as follows:
-16.78709
1.78709
Here is the math to prove that our above answer to "What two numbers multiply to -30 and add to -15?" is correct:
Multiply:
-16.78709 × 1.78709 ≈ -30
Add
-16.78709 + 1.78709 = -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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