Do you need to know what two numbers multiply to 81 and add to -64? In other words, do you need to find the two numbers whose product is 81 and sum is -64? No problem! The two numbers that multiply to 81 and add to -64 are as follows:
-62.70831
-1.29169
Here is the math to prove that our above answer to "What two numbers multiply to 81 and add to -64?" is correct:
Multiply:
-62.70831 × -1.29169 ≈ 81
Add
-62.70831 + -1.29169 = -64
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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