Question

What is the standard form of # y= (x-1)^2+2x #?

Answer 1

`y=x^2+1`

Explanation:

We have `y=(x-1)^2+2x`

First expand:

`y=(x^2-2x+1)+2x`

Then combine similar terms:

`y=x^2+(2x-2x)+1`

`y=x^2+1`

Remember to write all terms in order of decreasing degree (decreasing powers of `x`).