Q

# Find the value of the following expressions, when x = -1: (iii) x^ 2 + 2x + 1

Q. 3.     Find the value of the following expressions, when $x=-1$:

(iii)  $x^{2}+2x+1$

$\\x^2 + 2x + 1 \\= ( -1 )^2 + 2 \times ( -1 ) + 1 \\= 1 - 2 + 2 \\= 0$