What two numbers multiply to -42 and add to -78?


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Do you need to know what two numbers multiply to -42 and add to -78? In other words, do you need to find the two numbers whose product is -42 and sum is -78? No problem! The two numbers that multiply to -42 and add to -78 are as follows:

-78.53479
0.53479



Here is the math to prove that our above answer to "What two numbers multiply to -42 and add to -78?" is correct:

Multiply:
-78.53479 × 0.53479 ≈ -42

Add
-78.53479 + 0.53479 = -78

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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