Question

теңдеуді
$x {}^{3 } + 6x {}^{2} + 12x + 8 = 0$
шеш ​

Answer 1

$x^3+6x^2+12x+8=0\x^3+6x^2+12x+2^3=0\(x+2)^3=0\x+2=0\x=-2$