Question

1.factorise y³-7y+6
2.find the vue of polynomials
y²+5y+6 at y=3​

Answer 1

2. y^2 +5y+6 ay y=3

3^2 + 5(3) +6

9+15+6

30

1. first find zero of polynomial y^3 - 7y+6

zero of p(y) = y-1

and finally divide p(x) by x-1