因式分解:(x-1)^2+6(1-x)+9
问题描述:
因式分解:(x-1)^2+6(1-x)+9
答
:(x-1)^2+6(1-x)+9=(x-1)^2-6(x-1)+9=(x-1-3)^2=(x-4)^2
答
原式=(x-1)^2-6(x-1)+9
=(x-1-3)^2
=(x-4)^2
答
:(x-1)^2+6(1-x)+9
=(x-1)-6(x-1)+3^2
=(x-1-3)^2
=(x-4)^2