Question

simplify the expression (x+6)^2

Answer 1

x^2+6^2+2*x*6
x^2+36+12x

Answer 2

(x + 6)^2 same as (x+6)(x+6)
now multiply

Answer 3

yes

Answer 4

you can do box method
first multiply
x times x = ??
then x times 6 = ??