( 8y^2 + 5) (3k^2 + 7k 6)

请输入您的数学问题…… (-8y^2 + 5) - (3k^2 + 7k - 6)

问题

(- 8 y^{2} + 5) - (3 k^{2} + 7 k - 6)

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