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(2x+y)*(2x+y)*(2x+y)
4x²+2xy + 2xy+y² *(2x+y)
4x² + 4xy + y² * (2x+y)
8x³ + 4x²y +8x²y +4 xy2 + 2xy² +y³
8 x³ + 12 x²y + 6 xy² + y³
kayakny a sih gitu
Cara mudah :
=> 2x × 2x × 2x = 2x³
=> x dikalikan y dikalikan ³
=> y × y × y = y³
Jadi :
= 2x³ + xy³ + y³