Question 901407
3/(x+3) + 5/(x^2+6x+9) - x/(x^2-9) =
3/(x+3) + 5/(x+3)^2 - x / (x+3)(x-3) =
LCM = (x+3)^2(x-3)
3(x+3)(x-3) + 5(x-3) - x(x-3) / (x+3)^2(x-3)
cancel (x-3) from numerator and denominator
3(x+3) + 5 - x / (x+3)^2 =
3x+9 + 5 - x / (x+3)^2
2x + 14 / (x+3)^2 =
2(x+7) / (x+3)^2