Do you need to know what two numbers multiply to -9 and add to 138? In other words, do you need to find the two numbers whose product is -9 and sum is 138? No problem! The two numbers that multiply to -9 and add to 138 are as follows:
-0.06519
138.06519
Here is the math to prove that our above answer to "What two numbers multiply to -9 and add to 138?" is correct:
Multiply:
-0.06519 × 138.06519 ≈ -9
Add
-0.06519 + 138.06519 = 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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