exercițiul 6 vă rog...
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[tex] \huge3x {}^{2} + 4x - 4 = 0[/tex]
{a=3
{b=4
{c=-4
delta=b²- 4ac=4²-4•3•(-4)=16+48=64
✓delta = ✓64=8
x1 = - b + ✓delta /2a
x1= - 4+8 /2•3= 4/6 = 2/3
x2= - b - ✓delta /2a
x2= - 4 - 8/2•3 = - 12/6 = - 2