Square Of Trinomial

Square of trinomial

 

Answer:

are algebraic expressions with three terms that are created by multiplying a binomial to itself. 

Example: (3x + 2y)²= 9x2 + 12xy + 4y²

(3x + 2y) (3x + 2y)

multiply

9x² + 6xy + 6xy + 4y²

add the like terms

9x² + 12xy + 4y²