tuananhplay
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\[A= x^{2}-3x+5\]
\[B= 2x^{2}-6x\]
\[C= -x^{2}+3x-7\]
\[D= 4x-x^{2}\]
\[E= \frac{3}{2}x^{2}+2x-2\]
:tears_of_joy::tears_of_joy::tears_of_joy:
\[B= 2x^{2}-6x\]
\[C= -x^{2}+3x-7\]
\[D= 4x-x^{2}\]
\[E= \frac{3}{2}x^{2}+2x-2\]
:tears_of_joy::tears_of_joy::tears_of_joy:
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