Question

expand this
(x+2y+4)²​

Answer 1

Answer:

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Answer 2

Answer:

x2+4xy+4x+4y2+16y+16

Step-by-step explanation:

(x+2y+4) (x+2y+4)

x(x+2y+4) + 2y(x+2y+4) + 4(x+2y+4)

x2+2xy+4x + 2xy+4y2+8y + 4x+8y+16

arrange it

x2+2xy+2xy+4x+4x+4y2+8y+8y+16

x2+4xy+4x+4y2+16y+16

Hope it helps you.