3(х во 2 степени +2х+1)=0

Question

3(х во 2 степени +2х+1)=0

Comments

такой ? 3x²+2x+1=0

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да

Answer 1

3(x^2+2x+1)=0, D=1-1=0, x=-1.

Answer 2

3 * ( X² + 2X + 1 ) = 0 
3 * ( X + 1 ) * ( X + 1 ) = 0 
X + 1 = 0 
X = - 1 

Comments

молодец, а я не заметила))))))