Respuesta:
2
Explicación paso a paso:
[tex]\left(4x\cdot \:5-5x\cdot \:4+x\cdot \:2-2x+3\right)+\left(x\cdot \:4-2x\cdot \:3-x\cdot \:2+4x-1\right)\\\\=4x\cdot \:5-5x\cdot \:4+x\cdot \:2-2x+3+x\cdot \:4-2x\cdot \:3-x\cdot \:2+4x-1\\\\=4\cdot \:5x-5\cdot \:4x+2x-2x+4x-2\cdot \:3x-2x+4x+3-1\\\\2x-2x+4x-2x+4x=6x\\\\=4\cdot \:5x-5\cdot \:4x+6x-2\cdot \:3x+3-1\\\\4\cdot \:5x-5\cdot \:4x=0\\\\=6x-2\cdot \:3x+3-1\\\\6x-6x=0\\\\=3-1\\\\=2[/tex]
