127
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3.5 - 10.3803*i and its complex conjugate 3.5 + 10.3803*i
where i is the imaginary square root of -1.
The factors that multiply to 120 and add up to -8 are -12 and 10. This is because when you multiply -12 and 10, you get -120, and when you add them together, you get -8. Thus, the pair of factors you are looking for is (-12, 10).
It means you need to multiply 7 by 14 and then add 1 to the answer.It means you need to multiply 7 by 14 and then add 1 to the answer.It means you need to multiply 7 by 14 and then add 1 to the answer.It means you need to multiply 7 by 14 and then add 1 to the answer.
-6 and -20
Really all you have to do is multiply 7 x what ever # you need to. you can add or skip count by any #.
-13