Mr Daniels Maths
Factorising Double Brackets

Set 1

Set 2

Set 3

Q1) Factorise \(x^2 + 13x + 36\). [ \((x + 9)(x + 4)\)]

Q1) Factorise \(x^2 + 2x -8\). [ \((x + 4)(x -2)\)]

Q1) Factorise the following;
\(4 x^2 + 8 x+ 3= \)
[ \((2x + 1)(2x + 3)\)]

Q2) Factorise \(x^2 + 12x + 32\). [ \((x + 8)(x + 4)\)]

Q2) Factorise \(x^2 + 3x -10\). [ \((x + 5)(x -2)\)]

Q2) Factorise the following;
\(6 x^2 + 13 x+ 5= \)
[ \((2x + 1)(3x + 5)\)]

Q3) Factorise \(x^2 + 14x + 45\). [ \((x + 9)(x + 5)\)]

Q3) Factorise \(x^2 + 6x -16\). [ \((x + 8)(x -2)\)]

Q3) Factorise the following;
\(9 x^2 + 9 x+ 2= \)
[ \((3x + 1)(3x + 2)\)]

Q4) Factorise \(x^2 + 7x + 10\). [ \((x + 5)(x + 2)\)]

Q4) Factorise \(x^2 + x -12\). [ \((x + 4)(x -3)\)]

Q4) Factorise the following;
\(6 x^2 + 13 x+ 6= \)
[ \((2x + 3)(3x + 2)\)]

Q5) Factorise \(x^2 + 12x + 20\). [ \((x + 10)(x + 2)\)]

Q5) Factorise \(x^2 + x -20\). [ \((x + 5)(x -4)\)]

Q5) Factorise the following;
\(6 x^2 + 11x+ 4= \)
[ \((3x + 4)(2x + 1)\)]

Q6) Factorise \(x^2 + 13x + 40\). [ \((x + 5)(x + 8)\)]

Q6) Factorise \(x^2 + 8x -20\). [ \((x + 10)(x -2)\)]

Q6) Factorise the following;
\(4 x^2 + 12 x+ 5= \)
[ \((2x + 1)(2x + 5)\)]

Q7) Factorise \(x^2 + 8x + 15\). [ \((x + 3)(x + 5)\)]

Q7) Factorise \(x^2 -4x -12\). [ \((x + 2)(x -6)\)]

Q7) Factorise the following;
\(6 x^2 + 5 x+ 1= \)
[ \((2x + 1)(3x + 1)\)]

Q8) Factorise \(x^2 + 6x + 5\). [ \((x + 1)(x + 5)\)]

Q8) Factorise \(x^2 -2x -24\). [ \((x + 4)(x -6)\)]

Q8) Factorise the following;
\(4 x^2 + 16 x+ 7= \)
[ \((2x + 1)(2x + 7)\)]

Q9) Factorise \(x^2 + 10x + 21\). [ \((x + 7)(x + 3)\)]

Q9) Factorise \(x^2 -5x -14\). [ \((x + 2)(x -7)\)]

Q9) Factorise the following;
\(4 x^2 + 12 x+ 9= \)
[ \((2x + 3)(2x + 3)\)]

Q10) Factorise \(x^2 + 5x + 4\). [ \((x + 1)(x + 4)\)]

Q10) Factorise \(x^2 -3x -10\). [ \((x + 2)(x -5)\)]

Q10) Factorise the following;
\(6 x^2 + 11x+ 3= \)
[ \((3x + 1)(2x + 3)\)]