Question

三X方减2X加2怎么化简？

Answer 1

如果是3x²－2x+2的话，化简结果应该等于3（x－1／3）²+3/5

Answer 2

3x²-2x+2
=3(x²-2x/3)+2
=3(x²-2x/3+1/9-1/9)+2
=3(x-1/3)²-3×1/9+2
=3(x-1/3)²-1/3+2
=3(x-1/3)²+5/3