Q1) Factorise \(x^2 + 10x + 21\). [ \((x + 7)(x + 3)\)]

Q1) Factorise \(x^2 -4x -45\). [ \((x + 5)(x -9)\)]

Q1) Factorise the following;
\(9 x^2 + 12 x+ 4= \)
[ \((3x + 2)(3x + 2)\)]

Q2) Factorise \(x^2 + 3x + 2\). [ \((x + 2)(x + 1)\)]

Q2) Factorise \(x^2 -x -56\). [ \((x + 7)(x -8)\)]

Q2) Factorise the following;
\(6 x^2 + 7 x+ 2= \)
[ \((2x + 1)(3x + 2)\)]

Q3) Factorise \(x^2 + 18x + 80\). [ \((x + 8)(x + 10)\)]

Q3) Factorise \(x^2 + 3x -18\). [ \((x + 6)(x -3)\)]

Q3) Factorise the following;
\(6 x^2 + 17 x+ 7= \)
[ \((3x + 7)(2x + 1)\)]

Q4) Factorise \(x^2 + 15x + 50\). [ \((x + 10)(x + 5)\)]

Q4) Factorise \(x^2 -4x -12\). [ \((x + 2)(x -6)\)]

Q4) Factorise the following;
\(9 x^2 + 15 x+ 4= \)
[ \((3x + 1)(3x + 4)\)]

Q5) Factorise \(x^2 + 9x + 18\). [ \((x + 6)(x + 3)\)]

Q5) Factorise \(x^2 + 7x -18\). [ \((x + 9)(x -2)\)]

Q5) Factorise the following;
\(9 x^2 + 18 x+ 5= \)
[ \((3x + 1)(3x + 5)\)]

Q6) Factorise \(x^2 + 10x + 9\). [ \((x + 1)(x + 9)\)]

Q6) Factorise \(x^2 -x -20\). [ \((x + 4)(x -5)\)]

Q6) Factorise the following;
\(6 x^2 + 13 x+ 6= \)
[ \((3x + 2)(2x + 3)\)]

Q7) Factorise \(x^2 + 11x + 10\). [ \((x + 1)(x + 10)\)]

Q7) Factorise \(x^2 + x -6\). [ \((x + 3)(x -2)\)]

Q7) Factorise the following;
\(8 x^2 + 14 x+ 5= \)
[ \((4x + 5)(2x + 1)\)]

Q8) Factorise \(x^2 + 12x + 35\). [ \((x + 5)(x + 7)\)]

Q8) Factorise \(x^2 -2x -15\). [ \((x + 3)(x -5)\)]

Q8) Factorise the following;
\(6 x^2 + 17 x+ 5= \)
[ \((3x + 1)(2x + 5)\)]

Q9) Factorise \(x^2 + 7x + 6\). [ \((x + 1)(x + 6)\)]

Q9) Factorise \(x^2 + x -30\). [ \((x + 6)(x -5)\)]

Q9) Factorise the following;
\(6 x^2 + 11x+ 4= \)
[ \((2x + 1)(3x + 4)\)]

Q10) Factorise \(x^2 + 12x + 27\). [ \((x + 3)(x + 9)\)]

Q10) Factorise \(x^2 + 2x -15\). [ \((x + 5)(x -3)\)]

Q10) Factorise the following;
\(9 x^2 + 9 x+ 2= \)
[ \((3x + 1)(3x + 2)\)]