Question

Rational roots for y=3x^3+2x^2-27x-18

Answer 1

\[y=3x^3+2x^2-27x-18\]set it equal to zero.
\[3x^3+2x^2-27x-18=0\]put it in different order.\[y=3x^3-27x+2x^2-18\]factoring is helpful!!!!\[y=3x(x^2-9)+2x(x-9)\]

Answer 2

not y, zero.

Answer 3

and differently\[3x(x^2-9)+2(x^2-9)=0\]

Answer 4

Sorry for the mistake...