5x 2 4x 10 July 8, 2019 16 32 64 128 5x 2 4x 10 0 5x 2 4x 10xy 8y 2x 2 5x 4x 10 5x 2 7 5x )=- 4x 10 3 x 2 5x 4x 10 7x 4x 3 5x 2 10x 12 5x 2 10 4x 3 12 5x 2 10x 4x 8 5x 2 3 4x 10 5x 2 4x 8 100 2x 3 5x 2 4x 10 5x 3 x 2 4x 10 5x 3 4x 2 10x 20 5x 2 5 2x )+ 4x 10