100x²+20X-3=0
问题描述:
100x²+20X-3=0
答
100x²+20X-3=0十字相乘法分解因式10 -1 103100x²+20X-3=0 (10X-1)(10X+3)=0...
100x²+20X-3=0
100x²+20X-3=0十字相乘法分解因式10 -1 103100x²+20X-3=0 (10X-1)(10X+3)=0...