Question

X(3x+4)=-1 Ajuda prf

Answer 1

Olá!!

x(3x+4)=-1

3x²+4x+1=0

Δ=b²-4.a.c

Δ=4²-4.3.1

Δ=16-12

Δ=4

-b±√Δ\2.a

-4+√4\2.3

-4+2\6

-2\6

*Simplifica

x'=-1\3

-4-√4\2.3

-4-2\6

-6\6

x"=-1

S={-1\3;-1}

Att=Gauzz