please tell me answer with explanation
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0ption = 2
= ( 2a-3b+5c )( 2a-3b+5c )
= 2a( 2a-3b+5c ) -3b( 2a-3b+5c ) +5c( 2a-3b+5c )
= 4a²-6ab +10ac - 3ab +9b²-15ac +10ac -15ab +25c²
= 4a²+ 9b²+ 25c²- 12ab- 30bc + 20ac
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