Which system of equations can be used to find the roots of the equation 4 x squared = x cubed + 2 x? startlayout enlarged left-brace 1st row y = negative 4 x squared 2nd row y = x cubed + 2 x endlayout startlayout enlarged left-brace 1st row y = x cubed + 4 x squared + 2 x 2nd row y = 0 endlayout startlayout enlarged left-brace 1st row y = 4 x squared 2nd row y = negative x cubed minus 2 x endlayout startlayout enlarged left-brace 1st row 4 x squared 2nd row y = x cubed + 2 x endlayout.