(x^2-7x+3/2) / 2x+1
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2
Answer:
2x
2
+7x+3=0
⇒2x
2
+6x+x+3=0
⇒2x(x+3)+1(x+3)=0
⇒(x+3)(2x+1)=0
⇒x=−3orx=
2
−1
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