Question 999204
.
(x-(-4))*(x-5) = 0     or


(x+9)*(x-5) = 0 


in factorized form.


To represent it in the standard form,  open the parentheses:


{{{x^2 + 9x - 5x - 45}}} = {{{0}}},     or


{{{x^2 +4x - 45}}} = {{{0}}}.