5x²+6xy-8y² 化简

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5x²+6xy-8y²化简5x²+6xy-8y²化简5x²+6xy-8y²化简5x²+6xy-8y²=(5x-4y)(x

5x²+6xy-8y² 化简
5x²+6xy-8y² 化简

5x²+6xy-8y² 化简
5x²+6xy-8y²=(5x-4y)(x+2y)