2x²+3x+2/2x²-3X-2=2x²-5x+3/2x²+5X-3

问题描述:

2x²+3x+2/2x²-3X-2=2x²-5x+3/2x²+5X-3

2x²+3x+2/2x²-3X-2=2x²-5x+3/2x²+5X-3
2X²+2/2X²-2=2X²+3/2X²-3
2X²+2/2X²-2X²-3/2X²=2-3
2/2X²-3/2X²=-1
-1/2X²=-1
X²=1/2
X=正负根号1/2