Question

What is the standard form of # y= 3x(x+2)-(x+4)^2 #?

Answer 1

`y=2x^2-2x-16`

Explanation:

`y=3x(x+2)-(x+4)^2`

`y=3x^2+6x-(x^2+8x+16)`

`y=3x^2+6x-x^2-8x-16`

`y=2x^2-2x-16`