Question

2(x+1) to the second power+ 3

Answer 1

(2(x+1)^2) + 3

The vertex of this parabola is (-1,3), as this equation is already in vertex form.

Answer 2

`2(x+1)^(2)+3`
`2(x+1)(x+1) + 3`
`2(x^(2) +2x+1)+3`
`2x^(2)+4x+2+3`
`2 x^(2) +4x+5`