4(2x²-3x+1)-2(4x²-2x+3)=
问题描述:
4(2x²-3x+1)-2(4x²-2x+3)=
答
4(2x²-3x+1)-2(4x²-2x+3)=-8x-2要过程4(2x²-3x+1)-2(4x²-2x+3)=8x²-12x+4-8x²+4x-6=-8x-2
4(2x²-3x+1)-2(4x²-2x+3)=
4(2x²-3x+1)-2(4x²-2x+3)=-8x-2要过程4(2x²-3x+1)-2(4x²-2x+3)=8x²-12x+4-8x²+4x-6=-8x-2