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Cual es el producto de (3x-2y)(3x+2y)
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Cual es el producto de (3x-2y)(3x+2y)

User Ddnv
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primero se multiplica el primer termino del primer paréntesis por los dos terminos de el segundo paréntesis, después haces lo mismo con el segundo termino y finalmente reduces la ecuación:
9x^2 +6xy -6xy -4y^2=
9x^2 - 4y^2
User Piotr Pasieka
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9x2 + 6yx - 6xy + 4y
User Serina
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