Do you need to know what two numbers multiply to -155 and add to 21? In other words, do you need to find the two numbers whose product is -155 and sum is 21? No problem! The two numbers that multiply to -155 and add to 21 are as follows:
-5.7865
26.7865
Here is the math to prove that our above answer to "What two numbers multiply to -155 and add to 21?" is correct:
Multiply:
-5.7865 × 26.7865 ≈ -155
Add
-5.7865 + 26.7865 = 21
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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