How do you simplify $(3y + 3) (y + 2)$ ?

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Answer 1 · 2015-06-22T11:40:12

$= color(red)(3y^2 + 9y + 6$

$(color(red)(3y + 3)) (y + 2)$
We multiply each of the two terms of the first bracket with each term within the second bracket:

$= color(red)(3y) . (y+2) + color(red)(3) . (y + 2)$
$= 3y^2 + 6y + 3y + 6$
$= color(red)(3y^2 + 9y + 6$

How do you simplify (3y + 3) (y + 2)(3y + 3) (y + 2)?