2t(t+1)=5(t-2)+3t方式法解步骤!
问题描述:
2t(t+1)=5(t-2)+3t方式法解步骤!
答
2t²+2t=8t-10
2t²-6t=-10
t²-3t+5=0
因为b²-4ac所以该式无解