Do you need to know what two numbers multiply to 138 and add to -128? In other words, do you need to find the two numbers whose product is 138 and sum is -128? No problem! The two numbers that multiply to 138 and add to -128 are as follows:
-126.91264
-1.08736
Here is the math to prove that our above answer to "What two numbers multiply to 138 and add to -128?" is correct:
Multiply:
-126.91264 × -1.08736 ≈ 138
Add
-126.91264 + -1.08736 = -128
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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