what is x squared minus 14x plus 49
X^2-14x+49 factored:(x-7)(x-7)-7 x -7 is 49 and-7 + -7 is -14
\(x^{2} -14x+49=x^2-7x-7x+49=x(x-7)-7(x-7)=\\\\=(x-7)(x-7)=(x-7)^2\)
