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8x-4
if you rearrange it, it becomes 4y + 8 = 3x2 -2x +1 4y = 3x2 -2x -7 y= (3x2 -2x -7)/4 which is a parabola
y=x2+2x+1 -b -2 2a= 2= -1 = axis of symmetry is negative one.
(2x + 1)(2x + 1) or (2x + 1)2
4x2 + 12x + 5 = 4x2 + 2x + 10x + 5 = 2x(2x+1) + 5(2x+1) = (2x+1)(2x+5)