(m+3)(m+5)+m²-9因式分解
问题描述:
(m+3)(m+5)+m²-9因式分解
答
2{m-1}{m-3}过程m²+8m+15+m²-9=2m²+8m+6=2【m²+4m+3】=2【m+1】【m+3】刚才失误
(m+3)(m+5)+m²-9因式分解
2{m-1}{m-3}过程m²+8m+15+m²-9=2m²+8m+6=2【m²+4m+3】=2【m+1】【m+3】刚才失误