please solve this....
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Answer:
-4 and -3 are the zero of polynomial
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Answer:
n^2+4n+3n+12 ( by splitting the middle term method)
n( n+4)+3(n+4)
(n+4) (n+3)
therefore, the two zeros are n=-4 and n= -3
alpha+ beta= -b÷a
-4+-3=-7÷1
-7=-7
alpha×beta= c÷a
-4×-3=12÷1
12=12
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