English, asked by surajranthi, 7 months ago

(3a-2b-2c)^2
please help

Answers

Answered by 8763683746

1

Explanation:

( x+y+z )²= x²+y²+z²+2xy+2yz+2zx

Applying the identity here we get,

9a²+4b²+4c²-12ab-12ac+8bc

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