Do you need to know what two numbers multiply to -13 and add to 4? In other words, do you need to find the two numbers whose product is -13 and sum is 4? No problem! The two numbers that multiply to -13 and add to 4 are as follows:
-2.12311
6.12311
Here is the math to prove that our above answer to "What two numbers multiply to -13 and add to 4?" is correct:
Multiply:
-2.12311 × 6.12311 ≈ -13
Add
-2.12311 + 6.12311 = 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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