Do you need to know what two numbers multiply to -30 and add to 78? In other words, do you need to find the two numbers whose product is -30 and sum is 78? No problem! The two numbers that multiply to -30 and add to 78 are as follows:
-0.38274
78.38274
Here is the math to prove that our above answer to "What two numbers multiply to -30 and add to 78?" is correct:
Multiply:
-0.38274 × 78.38274 ≈ -30
Add
-0.38274 + 78.38274 = 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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