Do you need to know what two numbers multiply to -66 and add to -40? In other words, do you need to find the two numbers whose product is -66 and sum is -40? No problem! The two numbers that multiply to -66 and add to -40 are as follows:
-41.58703
1.58703
Here is the math to prove that our above answer to "What two numbers multiply to -66 and add to -40?" is correct:
Multiply:
-41.58703 × 1.58703 ≈ -66
Add
-41.58703 + 1.58703 = -40
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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