Do you need to know what two numbers multiply to -168 and add to 21? In other words, do you need to find the two numbers whose product is -168 and sum is 21? No problem! The two numbers that multiply to -168 and add to 21 are as follows:
-6.18083
27.18083
Here is the math to prove that our above answer to "What two numbers multiply to -168 and add to 21?" is correct:
Multiply:
-6.18083 × 27.18083 ≈ -168
Add
-6.18083 + 27.18083 = 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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