Please can someone help me ?

Answer:
Step-by-step explanation:
1/(3x+5)(3x-5) - 1/2(3x+5)
2 - (3x-5)
2(3x+5)(3x-5)
2-3x+5
2(3x+5)(3x-5)
-3x + 7
2(3x+5)(3x-5)