Do you need to know what two numbers multiply to -128 and add to 199? In other words, do you need to find the two numbers whose product is -128 and sum is 199? No problem! The two numbers that multiply to -128 and add to 199 are as follows:
-0.64115
199.64115
Here is the math to prove that our above answer to "What two numbers multiply to -128 and add to 199?" is correct:
Multiply:
-0.64115 × 199.64115 ≈ -128
Add
-0.64115 + 199.64115 = 199
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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