2x²-12x+18(分解因式)
问题描述:
2x²-12x+18(分解因式)
答
2x²-12x+18
=2﹙x²-6x+9﹚
=2﹙x-3﹚²
2x²-12x+18(分解因式)
2x²-12x+18
=2﹙x²-6x+9﹚
=2﹙x-3﹚²