已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.

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已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.已知3x^2y+2x＝4,则-6x-9x^2y+2的值为____

已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.
已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.

已知3x^2y+2x＝4,则-6x-9x^2y+2的值为_____.
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