Помогите с 4 заданием

Question

Помогите с 4 заданием

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Answer 1

3c+1/1c-6 - 5c+8/2c-12

3c+1/c-6 - 5c+8/2(c-6)

2(3c+1)/2(c-6) - 5c+8/2(c-6)

2(3c+1)-(5c+8)/2(c-6)

6c+2-5c-8/2(c-6)

c-6/2(c-6)

1/2