# Math

posted by
**Abbey**
.

I need to show that the right side equals the left side but I am having a little trouble simplifying.

k(2k+1) +(4(k+1)-1) = (k+1)(2(k+1)+1)

k^2+2k+3 For the right side?

posted by
**Abbey**
.

I need to show that the right side equals the left side but I am having a little trouble simplifying.

k(2k+1) +(4(k+1)-1) = (k+1)(2(k+1)+1)

k^2+2k+3 For the right side?