Question

bahut
$x 2 + 2x + 1 = 0$
Guna 2 + 2 Guna jama 1 barabar ke sunyak​

Answer 1

Answer:

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

Answer 2

Answer:

A2 +b2 - 2 ab u can use that formula