а)(6x-1)(6x+1)-(12x-5)(3x+1)при x=0,2 б)(5+2x)-2,5x(8x+7)при x=-0,5

Question

а)(6x-1)(6x+1)-(12x-5)(3x+1)при x=0,2

б)(5+2x)-2,5x(8x+7)при x=-0,5

Answer 1

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