Question

3x² -4x-4=0
Va roog mult!Urgent!

Answer 1

delta= 16-4*3*-4=64
x1= (-b+radical din delta)/2a=(4+8)/2=6
x2=(-b-rad din delta)/2a=(4-8)/2= -2;

x1=6;  x2=-2;

Answer 2

3x^2-4x-4=0
a=3
b=-4
c=-4
∆=b^2-4ac
∆=16+48
∆=64
x1=4-√64/6
x1=-4/6
x1=-2/3
x2=(4+8)/6
x2=2
S={-2/3;2}