Do you need to know what two numbers multiply to -64 and add to -1? In other words, do you need to find the two numbers whose product is -64 and sum is -1? No problem! The two numbers that multiply to -64 and add to -1 are as follows:
-8.51561
7.51561
Here is the math to prove that our above answer to "What two numbers multiply to -64 and add to -1?" is correct:
Multiply:
-8.51561 × 7.51561 ≈ -64
Add
-8.51561 + 7.51561 = -1
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.
Multiply Add Calculator
Need another answer? Submit another set of values below:
