Question

Expand(x+3y+2z)²abswer plzz
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Answer 1

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Answer 2

Answer:

x^2+9y^2+4z^2+6xy+12yz+4zx

Step-by-step explanation:

reason=[x+y+z]^2=x^2+y^2+z^2+2xy+2yz+2zx

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