5m Zen
2x 3y 2x
2x 3y 2x pictures 5
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2x 3y
2x 3y 2x
2x 3y 2x 3
2x 3y 2x 3y 60
2x 3y )( 2x 3y expand
2x 3y 2x 9
2x 3y 2x y x
2x 3y )( 2x 3y )( 4x2 9y2
2x 3y )( 2x 5y
2x 3y 2x y
2x 3y )( 2x 3y using identity
2x 3y )( 2x 3y
