Do you need to know what two numbers multiply to -70 and add to 78? In other words, do you need to find the two numbers whose product is -70 and sum is 78? No problem! The two numbers that multiply to -70 and add to 78 are as follows:
-0.88734
78.88734
Here is the math to prove that our above answer to "What two numbers multiply to -70 and add to 78?" is correct:
Multiply:
-0.88734 × 78.88734 ≈ -70
Add
-0.88734 + 78.88734 = 78
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: