X² -x +2 =9
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x²-x-7=0
X={-b+-√(b²-4ac)}/2a
Here, a=1, b=-1, c=-7
Answer: x=(-1+-√29)/2
X={-b+-√(b²-4ac)}/2a
Here, a=1, b=-1, c=-7
Answer: x=(-1+-√29)/2
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