[" 2."],[[" (1) "x^(3)-2x^(2)-x+2," (in) "],[" (m) "x^(3)+13x^(2)+3ln+20," (ivili) "," (i) "-3x^(2)-9x-5],[-2y-1]]

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

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

Subtract 3x^(3) - 5x^(2) - 9x + 6 " from " 2x^(3) + 3y^(2) - 4z^(2) and x^(2) - 2y^(2) +z^(2)

Factorise : 6x^(3) + 13x^(2) + 9x + 2

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

If 3x - (1)/(3x ) =5 , find : (i) 9x^(2) + (1)/( 9x^2)

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

If 3x + (1)/(3x) = 3 , find : (i) 9x^(2) + (1)/(9x^2)