2(x-8)(x-5)-(2x-1)(x+2)

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2(x-8)(x-5)-(2x-1)(x+2)2(x-8)(x-5)-(2x-1)(x+2)2(x-8)(x-5)-(2x-1)(x+2)原式=2(x²-13x+40)-(2x²+

2(x-8)(x-5)-(2x-1)(x+2)
2(x-8)(x-5)-(2x-1)(x+2)

2(x-8)(x-5)-(2x-1)(x+2)
原式=2(x²-13x+40)-(2x²+3x-2)
=2x²-26x+80-2x²-3x+2
=-29x+82

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