Question

решите уравнение (x^2+4x)/(x+2)=2x/3

Answer 1

$frac{x^2+4x}{x+2}=frac{2x}{3}\ 3*(x^2+4x)=(x+2)*2x\3x^2+12x=2x^2+4x\x^2+8x=0\x(x+8)=0\1)x=0\2)x+8=0\x=-8$