x² + 18x + c = 25 + c
rewrite The above equation into a perfect square binomial form

Answer:
Step-by-step explanation:
[tex]x^{2}[/tex] + 18x +c = 25+c
[tex]x^{2}[/tex] + 18x +[tex]9^{2}[/tex] =25+[tex]9^{2}[/tex] (the c just cancels out and add [tex]9^{2}[/tex])
[tex](x+9)^{2}[/tex] -106 = 0