Question

What is the standard form of `y= 3x(x+1/3)-(x+4/5)^2`?

Answer 1

`2x^2-3/5x-16/25`

Explanation:

`"the standard form of a quadratic is "`

`•color(white)(x)ax^2+bx+c;a!=0`

`"distribute and collect like terms"`

`=3x^2+x-(x^2+8/5x+16/25)`

`=3x^2+x-x^2-8/5x-16/25`

`=2x^2-3/5x-16/25`