题目

分解因式： x3﹣12x2+36x． 答案：x3﹣12x2+36x =x（x2﹣12x+36） =x（x﹣6）2．--- I am sorry to have shouted at you. I didn’t mean to be so rude.--- You were very angry. Anyway, ______.A.you’re welcomeB.that’s rightC.it doesn’t matterD.I’m sorry about that