Do you need to know what two numbers multiply to -64 and add to -78? In other words, do you need to find the two numbers whose product is -64 and sum is -78? No problem! The two numbers that multiply to -64 and add to -78 are as follows:
-78.81206
0.81206
Here is the math to prove that our above answer to "What two numbers multiply to -64 and add to -78?" is correct:
Multiply:
-78.81206 × 0.81206 ≈ -64
Add
-78.81206 + 0.81206 = -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.
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