2(3x+4y)²-(3x-2y)(3x+2y)=

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2(3x+4y)²-(3x-2y)(3x+2y)=

Guest 12.11.2014

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+5

2(3x+4y)²-(3x-2y)(3x+2y)

= 2(9x²+24xy+16y²)-(9x²-4y²)

= 18x²+48xy+32y²-9x²+4y²

= 9x²+48xy+36y²

Gast 12.11.2014

1⁺⁰ Answers

+5

Beste Antwort

2(3x+4y)²-(3x-2y)(3x+2y)

= 2(9x²+24xy+16y²)-(9x²-4y²)

= 18x²+48xy+32y²-9x²+4y²

= 9x²+48xy+36y²

Gast 12.11.2014

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