Do you need to know what two numbers multiply to -1 and add to 154? In other words, do you need to find the two numbers whose product is -1 and sum is 154? No problem! The two numbers that multiply to -1 and add to 154 are as follows:
-0.00649
154.00649
Here is the math to prove that our above answer to "What two numbers multiply to -1 and add to 154?" is correct:
Multiply:
-0.00649 × 154.00649 ≈ -1
Add
-0.00649 + 154.00649 = 154
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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