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Rezolvati in multimea numerelor reale , ecuatia : 4x²+3x=1

Răspuns :

√4x+3x=1
2x+3x=1
5x=1
x=0,2

Sper ca te-am ajutat!
√=radical
4x²+3x=1
4x²+3x-1=0
4x²-x+4x-1=0
x(4x-1)+(4x-1)=0
(4x-1)(x+1)=0
4x-1=0  x=1/4
x+1=0   x=-1