What is the polynomial function in factored form?
f(x)=x3+2x2−5x−6
f(x)= ( ),( ),( )
x^3 + 2x^2 - 5x - 6 =
Write this as
[ x^3 + x^2 ] + [ x^2 - 5x - 6 ] =
x^2 ( x + 1) + (x + 1) ( x - 6) =
(x + 1) ( x^2 + x - 6) =
( x + 1) ( x + 3) ( x - 2)
