Question 975106

Solve (x^2+2x)^(1/3)=2
<pre>{{{(x^2 + 2x)^(1/3) = 2}}}
{{{highlight(highlight((x^2 + 2x)^((1/3) * 3) = 2^3))}}} ------- Raising both sides to the 3rd power
{{{x^2 + 2x = 8}}}
{{{x^2 + 2x - 8 = 0}}}
(x + 4)(x - 2) = 0
{{{highlight_green(system(x = - 4_or,x = 2))}}}