Do you need to know what two numbers multiply to 129 and add to -66? In other words, do you need to find the two numbers whose product is 129 and sum is -66? No problem! The two numbers that multiply to 129 and add to -66 are as follows:
-63.98387
-2.01613
Here is the math to prove that our above answer to "What two numbers multiply to 129 and add to -66?" is correct:
Multiply:
-63.98387 × -2.01613 ≈ 129
Add
-63.98387 + -2.01613 = -66
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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