(x+y+2) (y+1)
a: y^2+4xy+2
b: xy+4y+x+2
c: y+x+y+2
d: y^2+xy+x+3y+2

D

Step-by-step explanation:

Given

(x + y + 2)(y + 1)

Each term in the second factor is multiplied by each term in the first factor, that is

x(y + 1) + y(y + 1) + 2(y + 1) ← distribute parenthesis

= xy + x + y² + y + 2y + 2 ← collect like terms

= y² + xy + x + 3y + 2 → D

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step-by-step explanation:

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step-by-step explanation:

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