用因式分解法解方程:(3y-1)²-8(3y-1)+15=0 4(y+1)²-9(y-1)²=0急······

问题描述:

用因式分解法解方程:(3y-1)²-8(3y-1)+15=0 4(y+1)²-9(y-1)²=0
急······