4x 1 2x 5 =- 9 July 8, 2019 16 32 64 128 4x 1 2x 5 =- 9 answer 2x 5 )( x 1 )= 4x 9 8 4x 1 )+ 5 2x 9 4x 5 2x 1 5 9x 1 2x 3 4x 5 1 2x 9 3 2 2x 1 )+ 5 4x 9 4x 5 3 2x 5 9 8x 1 x 4 3 4x 1 )- 5 9 2x )- 8x 5 2x 1 4x 9 4 x Y 1 4x 5 y 2x 9 2x 7 9 4x 1 5 4x 3 9x 5 2x 1
