Question

⚠️⚠️POR FAVOR ME AJUDEM!!! ⚠️⚠️ Seja K = $\sqrt{x^2+2x+1}$ . Para x = –2, o valor de K

Answer 1

$\sqrt{x^{2}+2x+1 } \\\\\sqrt{(-2)^{2} + 2 (-2) + 1} \\\\\sqrt{4-4+1} \\\\\sqrt{1} = 1$