Do you need to know what two numbers multiply to 2 and add to -4? In other words, do you need to find the two numbers whose product is 2 and sum is -4? No problem! The two numbers that multiply to 2 and add to -4 are as follows:
-3.41421
-0.58579
Here is the math to prove that our above answer to "What two numbers multiply to 2 and add to -4?" is correct:
Multiply:
-3.41421 × -0.58579 ≈ 2
Add
-3.41421 + -0.58579 = -4
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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