Do you need to know what two numbers multiply to 21 and add to -121? In other words, do you need to find the two numbers whose product is 21 and sum is -121? No problem! The two numbers that multiply to 21 and add to -121 are as follows:
-120.8262
-0.1738
Here is the math to prove that our above answer to "What two numbers multiply to 21 and add to -121?" is correct:
Multiply:
-120.8262 × -0.1738 ≈ 21
Add
-120.8262 + -0.1738 = -121
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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