Do you need to know what two numbers multiply to -138 and add to -90? In other words, do you need to find the two numbers whose product is -138 and sum is -90? No problem! The two numbers that multiply to -138 and add to -90 are as follows:
-91.50806
1.50806
Here is the math to prove that our above answer to "What two numbers multiply to -138 and add to -90?" is correct:
Multiply:
-91.50806 × 1.50806 ≈ -138
Add
-91.50806 + 1.50806 = -90
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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