Question

(x + 1) (x + 2)
please solve this question​

Answer 1

$(x + 1)(x + 2) \\ \\ identity - \\ (x + a)(x + b) = x {}^{2} + (a + b)x + ab \\ here \\ x = x \\ a = 1 \\ b = 2 \\ = (x) {}^{2} + (1 + 2)x + 1 \times 2 \\ = x {}^{2} + 3x + 3 \\ \\ this \: is \: your \: answer \: \\ please \: mark \: me \: as \: brainlist \:$