Question

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

Answer 1

`y=5x^2+4x-1`

Explanation:

Multiply the terms in the original equation:

`(5x^2)+(5x)-(1x)-(1)`

Now combine terms including x:
`(5x^2)+(4x)-(1)`
This is the standard form of your original equation:
`y=5x^2+4x-1`