Question

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

Answer 1

`f(x)=-3x^2+6x-4`

Explanation:

`f(x)=(x-1)(x+3)-(2x-1)^2`

Expand by multiplication

`f(x)=x^2+2x-3-(4x^2-4x+1)`
`f(x)=x^2+2x-3-4x^2+4x-1)`

`f(x)-3x^2+6x-4`

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