Question

the value of the expression x(2) + 2x + 1 for x is equal to -1​

Answer 1

Answer:

yes, in this expression value of x =-1, is correct

Answer 2

= substitute -1 instead of x
= -1 (2) + 2(-1) + 1
= -2 + (-2) + 1
= -2-2+ 1
= -4 + 1
= -3