Respuesta :
"the square of the sum of a number and 4 is 36"
=
(x + 4)^2 = 36
=
(x + 4)^2 = 36
The square of the sum of a number and 4 is 36..." the sum " means add
(x + 4)^2 = 36 <== ur expression
(x + 4)^2 = 36 <== ur expression