½(a²-2b²)²-2(a²-2b²)b²+2b^4 怎么分解因式
问题描述:
½(a²-2b²)²-2(a²-2b²)b²+2b^4 怎么分解因式
答
½(a²-2b²)²-2(a²-2b²)b²+2b^4=½【(a²-2b²)²-4(a²-2b²)b²+4b^4】=½(a²-2b²-2b²)²=½(a²-4b²)...
½(a²-2b²)²-2(a²-2b²)b²+2b^4 怎么分解因式
½(a²-2b²)²-2(a²-2b²)b²+2b^4=½【(a²-2b²)²-4(a²-2b²)b²+4b^4】=½(a²-2b²-2b²)²=½(a²-4b²)...