Question

Ιx+2l+l2x+3l+√(x^2+2x+1), если -2≤ x ≤(-1)

Answer 1

$|x+2|+|2x+3|+x+1=0 \ 4x+6=0 \ 4x=-6 \ x=- frac{6}{4}$
ответ х=-1.5