Question

me respondam essa pfvv

Answer 1

$x {}^{3} + 2x {}^{2} \: \: para \: x = 2 \\ \\ (2 ){}^{3} + 2(2) {}^{2} \\ \\ 8 + 2(4) \\ \\ 8 + 8 = 16 \\ \: \: para \: x = 2, \: \: x {}^{3} + 2x {}^{2}=16$