Do you need to know what two numbers multiply to -12 and add to 21? In other words, do you need to find the two numbers whose product is -12 and sum is 21? No problem! The two numbers that multiply to -12 and add to 21 are as follows:
-0.55667
21.55667
Here is the math to prove that our above answer to "What two numbers multiply to -12 and add to 21?" is correct:
Multiply:
-0.55667 × 21.55667 ≈ -12
Add
-0.55667 + 21.55667 = 21
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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