解方程100x²+150x+50=66
问题描述:
解方程100x²+150x+50=66
答
100x²+150x+50=66
100x²+150x+50-66=0
100x²+150x-16=0
50x²+75x-8=0
(5x+8)(10x-1)=0
x=-5/8或x=1/10