((3 to the power of x plus 7) divide by (3 to the power of x minus 7)) plus ((3 to the power of x minus 7) divide by (3 to the power of x plus 7)) less than or equal to (4 multiply by 3 to the power of (x plus 2) minus 64) divide by (9 to the power of x minus 49)
((three to the power of x plus seven) divide by (three to the power of x minus seven)) plus ((three to the power of x minus seven) divide by (three to the power of x plus seven)) less than or equal to (four multiply by three to the power of (x plus two) minus sixty minus four) divide by (nine to the power of x minus forty minus nine)