Do you need to know what two numbers multiply to -21 and add to -77? In other words, do you need to find the two numbers whose product is -21 and sum is -77? No problem! The two numbers that multiply to -21 and add to -77 are as follows:
-77.27177
0.27177
Here is the math to prove that our above answer to "What two numbers multiply to -21 and add to -77?" is correct:
Multiply:
-77.27177 × 0.27177 ≈ -21
Add
-77.27177 + 0.27177 = -77
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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