For every real number x, the expression (x+1)^{2}-x^{2} is equal to
Answer Choices
A. 2 x+1
B. 2 x-1
C. (2 x+1)^{2}
D. -1
E. x+1
For every real number x, the expression (x+1)^{2}-x^{2} is equal to
Answer Choices
A. 2 x+1
B. 2 x-1
C. (2 x+1)^{2}
D. -1
E. x+1