Question

(x-2y+3z)²
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Answer 1

Answer:

Expand the square

( − 2 + 3 ) 2

( − 2 + 3 ) ( − 2 + 3 )

Solution,

2 − 4 + 6 + 4 2 − 1 2 + 9 2

Step-by-step explanation:

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