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dezoksy [38]
3 years ago
7

Im begging could anyone please teach me thissss

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
5 0
I assume your "reasons" mean "roots" or "zeros"
if 3 is a root, plug x=3 in the equation, you can find n:
3²+(n-1)*3+6=0
3(n-1)=-15
n-1=-5
n=-4

Plug n=-4 in the original equation: x²-5x+6=0
factor: (x-3)(x-2)=0
x=3, which we already know
or x=2, which is the value of m+4
m+4=2
m=-2
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