qsmm,please help me .

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/05/22 23:58:20

qsmm,please help me .
已知正整数a,b,c满足a^2+b^2+c^2+42＜ab+9b+8c,求a,b,c的值.
370116帮忙

由已知移项,整理得
(a²-ab+1/4b²)+(3/4b²-9b+27)+(c²-8c+16)

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