Question

Expand the following

(x+2y+3z)power 2

answer in detail ​

Answer 1

Answer:

x^2+2y^2+3z^2+2×x×2y+2×x×3z+2×2y×3z

Step-by-step explanation:

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Answer 2

formula :

$(a + b + c) {}^{2} = {a}^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc + 2ca$

refer to the above attachment