m²-9分之m-15-3-m分之2,化简
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 09:27:22
m²-9分之m-15-3-m分之2,化简
m²-9分之m-15-3-m分之2,化简
m²-9分之m-15-3-m分之2,化简
=(m-15)/(m+3)(m-3) - 2(m+3) /《-(m-3)(m+3)》
=m-15+2m+6/(m+3)(m-3)
=3m-9/(m+3)(m-3)
=3(m-3)/(m+3)(m-3)
=3/(m+3)
收录互联网各类作业题目,免费共享学生作业习题
鱿鱼慧海网手机作业共收录了 千万级 学生作业题目
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 09:27:22
m²-9分之m-15-3-m分之2,化简
m²-9分之m-15-3-m分之2,化简
m²-9分之m-15-3-m分之2,化简
=(m-15)/(m+3)(m-3) - 2(m+3) /《-(m-3)(m+3)》
=m-15+2m+6/(m+3)(m-3)
=3m-9/(m+3)(m-3)
=3(m-3)/(m+3)(m-3)
=3/(m+3)