Question

Quadratic Equation:

y=2x squared - 4x-1

Answer 1

2x^2 -4x -1
x1,2 = (4 +/- (16 + 8)^0.5) / 4
x1,2 = 1 +/- ((6)^0.5)/2

Answer 2

\[y=2x ^{2}-4x-1\]

Answer 3

x_1,_2=(4+/-sqrt(16+8))/4=(4+/-2sqrt(6))/4=(2+/-sqrt(6))/2