Do you need to know what two numbers multiply to -66 and add to 129? In other words, do you need to find the two numbers whose product is -66 and sum is 129? No problem! The two numbers that multiply to -66 and add to 129 are as follows:
-0.50961
129.50961
Here is the math to prove that our above answer to "What two numbers multiply to -66 and add to 129?" is correct:
Multiply:
-0.50961 × 129.50961 ≈ -66
Add
-0.50961 + 129.50961 = 129
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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