Answer:
[tex]x^{2} -6x+9[/tex]
Step-by-step explanation:
This binomial can be solved by the perfect square binomial method. Its standard form is:
[tex](a-b)^{2} = a^{2} -2ab+b^{2}[/tex]
In this way, substituting
[tex]a=x; b=3[/tex]
[tex](x-3)^{2} = x^{2} -2(x)(3)+(3)^{2} = x^{2} -6x+9[/tex]
