Do you need to know what two numbers multiply to 9 and add to -91? In other words, do you need to find the two numbers whose product is 9 and sum is -91? No problem! The two numbers that multiply to 9 and add to -91 are as follows:
-90.90099
-0.09901
Here is the math to prove that our above answer to "What two numbers multiply to 9 and add to -91?" is correct:
Multiply:
-90.90099 × -0.09901 ≈ 9
Add
-90.90099 + -0.09901 = -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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