7x 3 2x 5 4 July 8, 2019 16 32 64 128 7x 4x 3 2x 5 3x 5 2x =- 4 7x 3 2x 4 7x 3 )= 10 5 3x 7 7x 3 6 2x 3 4 5 4 7x 4 2x 5 )= 3 5x 2 )- 6 7x 5 3 2x 3 )+ x 4 7x 3 )+ 5x 4x 5 )+ 2x 2 7x 2y 3 2x 4y 5 6xy 3 7x 4 2x 5 )=- 3 5x 2 7x 5 3x 4x 3 2x 2x 5 )( 4x 2 7x 3 3 7x 8 )+ 4 3 2x 5 )+ 7 3x2 2x 5 4x2 7x 3