Do you need to know what two numbers multiply to 80 and add to -42? In other words, do you need to find the two numbers whose product is 80 and sum is -42? No problem! The two numbers that multiply to 80 and add to -42 are as follows:
-40
-2
Here is the math to prove that our above answer to "What two numbers multiply to 80 and add to -42?" is correct:
Multiply:
-40 × -2 = 80
Add
-40 + -2 = -42
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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