Do you need to know what two numbers multiply to -90 and add to -91? In other words, do you need to find the two numbers whose product is -90 and sum is -91? No problem! The two numbers that multiply to -90 and add to -91 are as follows:
-91.97849
0.97849
Here is the math to prove that our above answer to "What two numbers multiply to -90 and add to -91?" is correct:
Multiply:
-91.97849 × 0.97849 ≈ -90
Add
-91.97849 + 0.97849 = -91
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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