Question

$x {}^{2} + 9x + 18$

Answer 1

:x^2+9x+18
:x ^2+6x+3x+18
:x (x+6) +3 (x+6)
:(x+6)(x+3)

Answer 2

$\textbf{\huge\underline{\underline\red{solution} : - }} \\ \\ \bold \purple{ = > {x}^{2} + 9x + 18 }\\ \\ \bold\purple{ = > {x}^{2} + 6x + 3x + 18 }\\ \\\bold \purple{ = > x(x + 6) + 3(x + 6)} \\ \\\bold \purple{ = > (x + 3)(x + 6)} \\ \\ \fcolorbox{red}{aqua}{i\: hope\ it\: helps \:you.}$