Answer:

Step-by-step explanation:
To solve this operation we need to find the common multiple of both denominators and solve for a.

Thus, the solution is 7(a -1) / (a+2)(a-5)
(70x10)+(6x1)+(4x1/10)+(2x1/100)+(9x1/1000)
Answer is (4x³ - 6)(16x² + 36 + 24x³)