Do you need to know what two numbers multiply to -90 and add to 39? In other words, do you need to find the two numbers whose product is -90 and sum is 39? No problem! The two numbers that multiply to -90 and add to 39 are as follows:
-2.18525
41.18525
Here is the math to prove that our above answer to "What two numbers multiply to -90 and add to 39?" is correct:
Multiply:
-2.18525 × 41.18525 ≈ -90
Add
-2.18525 + 41.18525 = 39
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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