SOLUTION: Combine the following fractions by addition or subtraction as directed. 3/a^2-3a+2-2/a^2-1

Question 202202: Combine the following fractions by addition or subtraction as directed.
3/a^2-3a+2-2/a^2-1

Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
3/(a^2 -3a+2) -2(a^2-1)
.
3/{ (a-2)(a-1)} -2/{ (a-1)(a+1)}
.
3(a+1) -2(a-2) / {(a-2)(a-1)(a+1)
.
{3a+3-2a+4} / { (a-2)(a-1)(a+1)}
.
(a +7) / { (a-2)(a-1)(a+1)}
.
check let x=0,,,,original eqn and answer = 3.5
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