X 5 )( 10 7x July 8, 2019 16 32 64 128 X 5 x2 7x 10 7ln x 5 )- 7x 10 Y 7ln x 5 )- 7x 10 5 x 6 )+ 2 7x 10 X2 5 x 1 7x 10 9 X 10 2x 5 7x 15 1 6 5 x 20 5x 10 7x X 5 )( 2x 2 7x 10 5 x 6 )+ 8 7x 10 5 x 6 )+ 6 7x 10 3x 5 x 2 10 7x 5 x 6 )+ 4 7x 10 7x 5 10 x 7 3x 2y 7x 4 x 5 10 15 7x 10 x 5 3 2