Помогите, с чем сможете)

Question

Помогите, с чем сможете)

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Answer 1

А) 1/x–3 + 7/x+3 – 14/x^2–9 – x–4/x–3= x+3+7x–21–14–(x+3)*(x–4)/(x–3)*(x+3)= 8x–32–(X^2–4x+3x–12)/(x–3)(x+3)= 8x–32–x^2+4x–3x+12/(x-3)(x+)= –x^2–x–20/(x-3)(x+3)