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

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Answer 1 · 2016-02-09T06:33:50

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

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

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