Giải:
\(\left(2x-3\right)\left(4x+1\right)-4\left(x-1\right)\left(2x-1\right)-2x+5\)
\(=8x^2-12x +2x-3-\left(4x-4\right)\left(2x-1\right)-2x+5\)
\(=8x^2-12x+2x-3-\left(8x^2-8x-4x+4\right)-2x+5\)
\(=8x^2-12x+2x-3-8x^2+8x+4x-4-2x+5\)
\(=-3-4+5\)
\(=-2\)
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