[" (d) "x^(3)+13x^(2)+32x+20],[rarr]

Find the value of a, if (x +2) is a factor of the polynomial f(x) = x^(3) + 13x^(2) + ax + 20

Factorise (i) x ^(2) - 2x ^(2) - x +2 (ii) x ^(3) - 3x ^(2) - 9x -5 (iii) x ^(3) + 13 x ^(2) + 32 x + 20 (iv) y ^(3) + y ^(2) -y -1

Favtorise x^(3)+13x^(2)+32x+20

Factorise: x^(3)+13x^(2)+32x+20

Factorise: (i) x^(3)-2x^(2)-x+2 (ii) x^(3)-3x^(2)-9x-5 (iii) x^(3)+13x^(2)+32x+20 (iv)