因式分解:①2ax^2-11ax+5x ②3x^3+3x^2-18x
问题描述:
因式分解:①2ax^2-11ax+5x ②3x^3+3x^2-18x
答
①2ax^2-11ax+5x
=x(2ax-11a+5)
②3x^3+3x^2-18x
=3x(x^2+x-6)
=3x(x-2)(x+3)