Question

Which polynomial is equivalent to(- n + 3)^2On^2 + 9O n^2 - 6n + 9 O- n^2 - 6n + 9O- n^2 + 9

Answer 1

Given:

`(-n+3)^2`

Formula:

`(a-b)^2=a^2+b^2-2ab`

so :

`\begin{gathered} =(-n+3)^2 \\ =(-n)^2+(3)^2-2(n)(3) \\ =n^2+9-6n \\ =n^2-6n+9 \end{gathered}`