Respuesta :
y³+27
Step-by-step explanation:
Given the expression as;
(y+3) (y²-3y+9)
Distribute
y(y²-3y+9) +3(y²-3y+9)
y³-3y²+9y +3y²-9y+27
collect like terms
y³-3y²+3y²+9y-9y+27
y³+27
Learn More
Binomial product : https://brainly.com/question/1394854
Keywords : multiply, binomial, trinomial, expression
#LearnwithBrainly