Question

expand (3a-2b+4c)^2​

Answer 1

Answer:

hey mate find your answer

Step-by-step explanation:

( 2a + 3b + 4c )²

dear , we need a formula which is

( a + b + c )² = a² + b² + c² + 2 ( ab + bc + cb )

now ,

( 2a )² + ( 3b )² + ( 4c )² + 2 { ( 2a.3b + 3b.4c + 4c.2a ) }

= 4a² + 9b² + 16c² + 2 { ( 6ab + 12bc + 8ca )}

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hope it helps

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Answer 2

Answer:

9a2 + 4b2 + 16c2 - 12ab - 16bc + 24ac

( a2 + b2 + c2 + 2ab + 2bc + 2ca )

plzz mark brainliest