x的平方+10x+9=x的平方+2*5x的平方-16 =x的平方+2*5x+5的平方-4的平方x的平方+10x+9=x的平方+2*5x的平方-16=x的平方+2*5x+5的平方-4的平方=(x+5)的的平方-4的平方=(x+5+4)(x+5-4)=(x+9)(x+1)用上述
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 03:17:09
![x的平方+10x+9=x的平方+2*5x的平方-16 =x的平方+2*5x+5的平方-4的平方x的平方+10x+9=x的平方+2*5x的平方-16=x的平方+2*5x+5的平方-4的平方=(x+5)的的平方-4的平方=(x+5+4)(x+5-4)=(x+9)(x+1)用上述](/uploads/image/z/993113-17-3.jpg?t=x%E7%9A%84%E5%B9%B3%E6%96%B9%2B10x%2B9%3Dx%E7%9A%84%E5%B9%B3%E6%96%B9%2B2%2A5x%E7%9A%84%E5%B9%B3%E6%96%B9-16+%3Dx%E7%9A%84%E5%B9%B3%E6%96%B9%2B2%2A5x%2B5%E7%9A%84%E5%B9%B3%E6%96%B9-4%E7%9A%84%E5%B9%B3%E6%96%B9x%E7%9A%84%E5%B9%B3%E6%96%B9%2B10x%2B9%3Dx%E7%9A%84%E5%B9%B3%E6%96%B9%2B2%2A5x%E7%9A%84%E5%B9%B3%E6%96%B9-16%3Dx%E7%9A%84%E5%B9%B3%E6%96%B9%2B2%2A5x%2B5%E7%9A%84%E5%B9%B3%E6%96%B9-4%E7%9A%84%E5%B9%B3%E6%96%B9%3D%EF%BC%88x%2B5%EF%BC%89%E7%9A%84%E7%9A%84%E5%B9%B3%E6%96%B9-4%E7%9A%84%E5%B9%B3%E6%96%B9%3D%EF%BC%88x%2B5%2B4%EF%BC%89%EF%BC%88x%2B5-4%EF%BC%89%3D%EF%BC%88x%2B9%EF%BC%89%EF%BC%88x%2B1%EF%BC%89%E7%94%A8%E4%B8%8A%E8%BF%B0)
x)x>Ϧ64жE02Et
%M&p&)Fg=@{:Bxh @ &D&h2`ʊ';^`TOߓl.X fdU!$,`qx
yy
mOvt?dǪ