Question

Find the value of the expression x +2x + 1 when x = -1 .
a) 1
b) 0
c) 2
d) -1

Answer 1

Answer:

(C)

putting the value of x

-1 + 2(-1) + 1

=> -1+2+1 => 2

Answer 2

Step-by-step explanation:

x+2x+1 when x=-1

-1+2x+1

1+1

=2

your answer is 2

only by using a simple method you can get this answer