Make this into a trinomial square and solve for x.
4.6x=54-x^2
add x^2 to both sides
x^2 + 4.6 x = 54
add -54 to both sides
x^2 + 4.6 x -54 = 0
(x-5.4)(x+10) = 0
4.6x=54-x^2
x^2 + 4.6 x = 54
add -54 to both sides
x^2 + 4.6 x -54 = 0
(x-5.4)(x+10) = 0