M mikexz New member Joined Feb 21, 2006 Messages 46 Feb 22, 2006 #1 f( x ) =x^3 -2x² -5x +6. Find 3 numbers a, b and c such as, for all the values of x, f ( x ) = (x+2) (ax²+bx+c)? I have no idea how to answer it. help please
f( x ) =x^3 -2x² -5x +6. Find 3 numbers a, b and c such as, for all the values of x, f ( x ) = (x+2) (ax²+bx+c)? I have no idea how to answer it. help please
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Feb 22, 2006 #3 Divide \(\displaystyle \L x^3 - 2x^2 - 5x + 6\) by \(\displaystyle \L x + 2\). The quotient is your answer.
Divide \(\displaystyle \L x^3 - 2x^2 - 5x + 6\) by \(\displaystyle \L x + 2\). The quotient is your answer.