Do you need to know what two numbers multiply to -128 and add to 71? In other words, do you need to find the two numbers whose product is -128 and sum is 71? No problem! The two numbers that multiply to -128 and add to 71 are as follows:
-1.75923
72.75923
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to 71?" is correct:
Multiply:
-1.75923 × 72.75923 ≈ -128
Add
-1.75923 + 72.75923 = 71
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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