(2x^2+10x 2) ( 8x^2+7x+7)

请输入您的数学问题…… (2x^2+10x-2)-(-8x^2+7x+7)

问题

(2 x^{2} + 10 x - 2) - (- 8 x^{2} + 7 x + 7)

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