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[latex]-(x-4)(x-1)+5(3x-1)(2x+1)\\\\=-(x^2-x-4x+4)+5(6x^2+3x-2x-1)\\\\=-(x^2-5x+4)+5(6x^2+x-1)\\\\=-x^2+5x-4+30x^2+5x-5\\\\=29x^2+10x-9[/latex]
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[latex]-(x-4)(x-1)+5(3x-1)(2x+1)\\\\=-(x^2-x-4x+4)+5(6x^2+3x-2x-1)\\\\=-(x^2-5x+4)+5(6x^2+x-1)\\\\=-x^2+5x-4+30x^2+5x-5\\\\=29x^2+10x-9[/latex]