What two numbers multiply to -21 and add to 3?


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Do you need to know what two numbers multiply to -21 and add to 3? In other words, do you need to find the two numbers whose product is -21 and sum is 3? No problem! The two numbers that multiply to -21 and add to 3 are as follows:

-3.32183
6.32183



Here is the math to prove that our above answer to "What two numbers multiply to -21 and add to 3?" is correct:

Multiply:
-3.32183 × 6.32183 ≈ -21

Add
-3.32183 + 6.32183 = 3

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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