7x 7 8x 4 July 8, 2019 16 32 64 128 X 7 7x 4 8x 0 7x 8x 7 2x 4 1 x 3x 7 )( 7x 2 8x 4 7x 2 8x 4x 7 180 7x 2 4x 7 8x 7 7x 6y 9 )+ 4 8x 4 14 7 7x 6x =- 4x 8x 33 7x =-( 4x 7 )- 8x
