4 5x 2 7x July 8, 2019 16 32 64 128 4 5x 2 )= 7x 5 4 5x 2 7x 7 5x 4 7x 2 12 0 3 5x 4 )= 2 7x 5x 2 7x 4 0 3x 4 5x 2 7x 2 X 4 5x 3 7x 2 29x 30 5x 2 7x 4 =- 7x 1 X 4 5x 3 7x 2 6 2 5x 4 7x 5 14x F x )= 5x 2 7x 4 5x 4 2 3x )= 22 7x 4 x2 5x 2 7x2 2x 5 3x 4 5x 2 7x 9 5x 4 7x 2 =- 78