Question

What is the standard form of `y-3x= (x-1)(x+9)^2+5`?

Answer 1

`y = x^2 + 11x -4`

Explanation:

Expand the expression and re-order to have y on its own on the left.
`y = 3x + (x^2 -x +9x - 9) +5`
`y = x^2 + 11x -4`