Question

1. find the area of the square. $a = l cdot w$

Explanation:

Step1: Identify length and width

Length $l = x+12$, Width $w = x$

Step2: Apply area formula

$A = l \cdot w = x(x+12)$

Step3: Expand the product

$A = x^2 + 12x$

Answer:

$x^2 + 12x$