x²-6x+9=(5-x)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 04:51:03
x²-6x+9=(5-x)²
x)PS645ж}TNMR>~v6~\#S]C 8#j [C3>[<;M6`q@4Ҩ5ulS(" Kh*h)@P5FF01n g|Hh{%

x²-6x+9=(5-x)²
x²-6x+9=(5-x)²

x²-6x+9=(5-x)²
x²-6x+9=(5-x)²=25-10x+x^2
4x=16
x=4

x²-6x+9=(5-x)²
(x-3)²-(x-5)²=0
((x-3)+(x-5)) * ((x-3)-(x-5))=0
2(2x-8)=0
x=4

x²-6x+9=(5-x)²
x²-6x+9=25-10x+x²
10x-6x=25-9
4x=16
x=4