x^2 + 6x + 9 - 16 = 1 - 4x + 4x^2
3x^2 -10x + 8=0
D= 2
x= 10 +/- 2 / 6
x1 = 2 x2= 8/6 = 4/3
2x+9-16=1-6x2x+6x=1-9=168x=24x=3
x^2 + 6x + 9 - 16 = 1 - 4x + 4x^2
3x^2 -10x + 8=0
D= 2
x= 10 +/- 2 / 6
x1 = 2 x2= 8/6 = 4/3
2x+9-16=1-6x
2x+6x=1-9=16
8x=24
x=3