Expand the equation from the brackets
(2x+8)(3x-6)=0(2x+8)(3x−6)=0
(color(red)(2x)(2x+8)(color(red)(3x)-6)3x−6) Multiply the highest power of xx first
(color(red)(2x)(2x+8)(3xcolor(red)(-6)−6) Next multiply by the next highest power
(2xcolor(blue)(+8+8)(color(blue)(3x)3x-6) Multiply by the highest power
(2xcolor(blue)(+8+8)(3xcolor(blue)(-6)−6) Multiply by next highest power.
Therefore,
6x^2-12x+24x-48=06x2−12x+24x−48=0
6x^2+12x-486x2+12x−48=0 ------------------Divide the equation by 6
x^2+2x-8=0x2+2x−8=0 --------------------------Simplify the equation
(x+4)(x-2)=0(x+4)(x−2)=0
x+4=0 or x-2=0x+4=0orx−2=0
x=-4 or x=2x=−4orx=2