Question

(х-2)^3+(x+2)^3=2x(x^2-1)+3

Answer 1

$(x-2)^3+(x+2)^3=2x(x^2-1)+3$
$x^3-6x^2+12x-8+x^3+6x^2+12x+8=2x^3-2x+3$
$2x^3+24x=2x^3-2x+3$
$24x=-2x+3$
$24x+2x=3$
$26x=3$
$x= frac{3}{26}$