Question

x(x+1)-2 {x=1}
simplify​

Answer 1

$\huge \mathbb \color{red}{here \: \: is \: \: ur \: \: answer}$

x(x+1)-2= 1(1+1)-2

=2-2

= 0

Answer 2

x^2+x-2

((substituting X=1)

1^2+1-2

1+1-2

2-2

=0

HOPE THIS MAY HELP..