Related Post: 21 3 2x 3 21 2x 3 6 3 3 3 2x 3 )= 21 16x 6 3x 3 2x 21 3 2x 3 X 21 0 3 2x 3 )+ 4x 2 21 Y 4x 3 2x 3y 21 2x 3y 21 Y 3 X 21 6x 10 − 3 2x − 3 4x 3 23x 21 )/( 2x 3