Do you need to know what two numbers multiply to -15 and add to 64? In other words, do you need to find the two numbers whose product is -15 and sum is 64? No problem! The two numbers that multiply to -15 and add to 64 are as follows:
-0.23352
64.23352
Here is the math to prove that our above answer to "What two numbers multiply to -15 and add to 64?" is correct:
Multiply:
-0.23352 × 64.23352 ≈ -15
Add
-0.23352 + 64.23352 = 64
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: