2x+5 x+4

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x^2+3x+2 x^2+3x+2

i keep getting

x+9
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(x+1)(x+2)

3 answers

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7x + 4
(2x+5)/(x^2+3x+2) - (x+4)/(x^2+3x+2)
= (2x+5-x-4)/(x^2+3x+2)
= (x+1) / (x+1)(x+2)
= 1/(x+2)