Do you need to know what two numbers multiply to -21 and add to 5? In other words, do you need to find the two numbers whose product is -21 and sum is 5? No problem! The two numbers that multiply to -21 and add to 5 are as follows:
-2.72015
7.72015
Here is the math to prove that our above answer to "What two numbers multiply to -21 and add to 5?" is correct:
Multiply:
-2.72015 × 7.72015 ≈ -21
Add
-2.72015 + 7.72015 = 5
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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