Do you need to know what two numbers multiply to -64 and add to -9? In other words, do you need to find the two numbers whose product is -64 and sum is -9? No problem! The two numbers that multiply to -64 and add to -9 are as follows:
-13.67878
4.67878
Here is the math to prove that our above answer to "What two numbers multiply to -64 and add to -9?" is correct:
Multiply:
-13.67878 × 4.67878 ≈ -64
Add
-13.67878 + 4.67878 = -9
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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