2x^2-8x-24
问题描述:
2x^2-8x-24
答
2x^2-8x-24
=2(x^2-4x-12)
=2(x-6)(x+2)
2x^2-8x-24
2x^2-8x-24
=2(x^2-4x-12)
=2(x-6)(x+2)