因式分解:-1/2x+1/3x+5/6
问题描述:
因式分解:-1/2x+1/3x+5/6
答
-1/2x+1/3x+5/6 应该是:-1/2x²+1/3x+5/6 吧?!
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-1/2x²+1/3x+5/6
=(-1/6)*(3x平方- 2x -5)
=(-1/6)*(3x-5)*(x+1)