Answer:
St
So, if second denominator is "x + 2" , then 3/x - 5/(x+2) ....
3 5
—— – ———— =
x x + 2
the LCD is x(x + 2)
3(x + 2) 5x
————— – ————— =
x(x + 2) x(x + 2)
3x + 6 – 5x
—————— =
x2 + 2x
6 – 2x
—————
x2 + 2x
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