5m Zen
X3 y3 xy x y
X3 y3 xy x y pictures 5
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X3 y3 xy x
X3 y3 xy x y
xy y x u003d- 1 find x3 y3
x3 y3 7 xy x y )u003d- 2
x3 y3 u003d( x y )( x2 xy y2 verify
x3 y3 u003d( x y )( x2 xy y2
x3 y3 xy x y factorise
x3 y3 xy x y
