X 7 )( x 5 )( 2x 3 )= 0 July 8, 2019 16 32 64 128 X 2 x 5 )( 2x 3 )( x 2 7 )= 0 5 x )( 2x 7 )( x 3 ≤ 0 25 x 2 3 x 5 x 2x 7 0 2x 7 5 x 3 10 x 1 15 0 X 5 )( 2x 3 5 (- x 7 3 3x 8 2 0