expand (x+4)^2 — step-by-step solution

Let's write in expanded form:

{(x + 4)}^{2}

(x + 4) \cdot (x + 4)

x \cdot x

+ x \cdot 4

+ 4 x

+ 4 \cdot 4

▷Result: $x^{2} + 8 x + 16$