Question 202202
3/(a^2 -3a+2) -2(a^2-1)
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3/{ (a-2)(a-1)} -2/{ (a-1)(a+1)}
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3(a+1) -2(a-2) / {(a-2)(a-1)(a+1)
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{3a+3-2a+4} / { (a-2)(a-1)(a+1)}
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(a +7) / { (a-2)(a-1)(a+1)}
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check  let  x=0,,,,original  eqn  and  answer  = 3.5