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Leno4ka [110]
3 years ago
7

Solve:5(a-2)-15=6(12-7)

Mathematics
1 answer:
GrogVix [38]3 years ago
7 0
The answer to this problem is 11. Hope I helped!
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If a polynomial function f(x) has roots -9 and 7-i, what must be a factor of f(x)
Likurg_2 [28]

Hello from MrBillDoesMath!

Answer:

x + 9 and (x + ( i - 7)) are factors

Discussion:

If f(x) has roots -9 and 7-i then

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BTW: if the coefficients of f(x) are real (not stated in the Question) then the conjugate of 7-i, i.e. 7 + i, is  also be a root.

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