2x 3x 3 ) 7 1 6x July 8, 2019 16 32 64 128 2x 3x 3 )+ 7 1 6x 2x 3 )( 3x 5 )=( 6x 1 )( x 7 2x 3 )( 3x 5 )=( 6x 1 )( x 7 a quadratic equation 2x 7 3x + 2y = 6