If P(x)=x3+ax2+bx+cP(x) = x^3 + ax^2 + bx + cP(x)=x3+ax2+bx+c has roots r1,r2,r3r_1, r_2, r_3r1,r2,r3, what is the polynomial whose roots are r1+1,r2+1,r3+1r_1+1, r_2+1, r_3+1r1+1,r2+1,r3+1?
P(x-1)
P(x+1)
P(1-x)
-P(x-1)