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a fost răspuns

4X la puterea a doua +3x = 1
rezolvati ecuatia

Răspuns :

0000000
4x²+3x=1
4x²+3x-1=0
4x²+4x-x-1=0
4x(x+1)-(x+1)=0
(4x-1)(x+1)=0
4x-1=0
4x=1
x=1/4
sau
x+1=0
x=-1

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