Q1) Factorise the following;
6z + 12 = [ 6(z + 2)]

Q1) Factorise \(x^2 + 18x + 81\). [ \((x + 9)(x + 9)\)]

Q1) Factorise \(x^2 + 3x -10\). [ \((x + 5)(x -2)\)]

Q2) Factorise the following;
7x + 14 = [ 7(x + 2)]

Q2) Factorise \(x^2 + 17x + 72\). [ \((x + 9)(x + 8)\)]

Q2) Factorise \(x^2 -x -6\). [ \((x + 2)(x -3)\)]

Q3) Factorise the following;
5z + 35 = [ 5(z + 7)]

Q3) Factorise \(x^2 + 12x + 20\). [ \((x + 2)(x + 10)\)]

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

Q4) Factorise the following;
9y + 72 = [ 9(y + 8)]

Q4) Factorise \(x^2 + 18x + 80\). [ \((x + 10)(x + 8)\)]

Q4) Factorise \(x^2 -x -30\). [ \((x + 5)(x -6)\)]

Q5) Factorise the following;
6x + 36 = [ 6(x + 6)]

Q5) Factorise \(x^2 + 7x + 6\). [ \((x + 6)(x + 1)\)]

Q5) Factorise \(x^2 -2x -8\). [ \((x + 2)(x -4)\)]

Q6) Factorise the following;
2z + 8 = [ 2(z + 4)]

Q6) Factorise \(x^2 + 8x + 12\). [ \((x + 2)(x + 6)\)]

Q6) Factorise \(x^2 -2x -8\). [ \((x + 2)(x -4)\)]

Q7) Factorise the following;
5z + 35 = [ 5(z + 7)]

Q7) Factorise \(x^2 + 14x + 40\). [ \((x + 4)(x + 10)\)]

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

Q8) Factorise the following;
4z + 20 = [ 4(z + 5)]

Q8) Factorise \(x^2 + 6x + 9\). [ \((x + 3)(x + 3)\)]

Q8) Factorise \(x^2 -x -20\). [ \((x + 4)(x -5)\)]

Q9) Factorise the following;
8z + 48 = [ 8(z + 6)]

Q9) Factorise \(x^2 + 17x + 70\). [ \((x + 10)(x + 7)\)]

Q9) Factorise \(x^2 + 5x -24\). [ \((x + 8)(x -3)\)]

Q10) Factorise the following;
3y + 3 = [ 3(y + 1)]

Q10) Factorise \(x^2 + 14x + 45\). [ \((x + 9)(x + 5)\)]

Q10) Factorise \(x^2 + x -20\). [ \((x + 5)(x -4)\)]