The answer comes to f (x) = (x + 5)(x + 2)(x - 4)Code:f(x) = x^3 - 3x^2 - 18x - 40
Can someone please explain how this was obtained?
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The answer comes to f (x) = (x + 5)(x + 2)(x - 4)Code:f(x) = x^3 - 3x^2 - 18x - 40
Can someone please explain how this was obtained?
if that is the question then the answer is wrong, or your input is wrong see:Quote:
Originally Posted by studentme
$\displaystyle (x+5)(x+2)(x-4)$
$\displaystyle x^2+7x+10(x-4)$
$\displaystyle x^3+7x^2+10x-4x^2+7x^2-28x-40$
$\displaystyle =x^3+3x^2-18x-40$
