-2(x-4)+(4-3x)^{2} = - (4-3x) (4+3x)-2x(x+8)=32
-2(x-4)+(4-3x)^{2} = - (4-3x) (4+3x)-2x(x+8)+32
-2x+8+4-3x=-4+3x-2x²-16+32
-2x-3x-3x+2x²=-4-16+32-8-4
-8x+2x²=0
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-2(x-4)+(4-3x)^{2} = - (4-3x) (4+3x)-2x(x+8)+32
-2x+8+4-3x=-4+3x-2x²-16+32
-2x-3x-3x+2x²=-4-16+32-8-4
-8x+2x²=0