What is the product of this following expression (3x +6)`2

Hi

(3x + 6)²
(3x + 6)(3x +6)
Distribute
(3x)(3x)+(3x)(6)+(6)(3x)+(6)(6)
9x² + 18x + 18x + 36
9x² + 36x + 36

A+ guaranteed!!!  

(3x + 6)²

(3x + 6)(3x + 6)

Simplify.

9x² + 18x + 18x + 36

Add like terms.

9x² + (18x + 18x) + 36

Simplify.

9x² + 36x + 36

~Hope I helped!~

This is what i found “answer: a rigid transformation preserves both the side lengths and the angle measures of a polygon. step-by-step explanation: rigid transformations are the transformations which does not affect the size and the shape of figure .” i hope this you for what your looking for. can you plz mark me brainliest?