5x 3 10x 7 July 8, 2019 16 32 64 128 4 5x 3 10x 7 5x 3 10x 2 7x 14 2 5x 3 10x 4 15 7 20x 5x 3 7x 4 10x 5 3 5x 7 10x 1 2x =- 56 5x 3 127 10x 7 88 360 3 5x 7 10x 1 2x 5x 4 10x 3 75x 2 3 5x 6 1 10x 7 6 5x 4 )= 3 10x 7 3 10x 7 5x 2 5x 3 7x 4 10x 6 14x 8 (- 10x 3 7x 2 5x 10 8x 3 5x 2 )= 7 10x 10x 3 8 5x )=- 74