Q1) Factorise the following;
4z + 16 = [ 4(z + 4)]

Q1) Factorise \(x^2 + 9x + 18\). [ \((x + 3)(x + 6)\)]

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

Q2) Factorise the following;
2z + 4 = [ 2(z + 2)]

Q2) Factorise \(x^2 + 16x + 60\). [ \((x + 10)(x + 6)\)]

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

Q3) Factorise the following;
4x + 20 = [ 4(x + 5)]

Q3) Factorise \(x^2 + 10x + 16\). [ \((x + 2)(x + 8)\)]

Q3) Factorise \(x^2 -2x -48\). [ \((x + 6)(x -8)\)]

Q4) Factorise the following;
9w + 90 = [ 9(w + 10)]

Q4) Factorise \(x^2 + 11x + 24\). [ \((x + 3)(x + 8)\)]

Q4) Factorise \(x^2 + 3x -18\). [ \((x + 6)(x -3)\)]

Q5) Factorise the following;
4x + 8 = [ 4(x + 2)]

Q5) Factorise \(x^2 + 5x + 4\). [ \((x + 1)(x + 4)\)]

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

Q6) Factorise the following;
2w + 6 = [ 2(w + 3)]

Q6) Factorise \(x^2 + 6x + 5\). [ \((x + 5)(x + 1)\)]

Q6) Factorise \(x^2 -x -30\). [ \((x + 5)(x -6)\)]

Q7) Factorise the following;
4x + 32 = [ 4(x + 8)]

Q7) Factorise \(x^2 + 11x + 24\). [ \((x + 3)(x + 8)\)]

Q7) Factorise \(x^2 + 2x -8\). [ \((x + 4)(x -2)\)]

Q8) Factorise the following;
6y + 24 = [ 6(y + 4)]

Q8) Factorise \(x^2 + 19x + 90\). [ \((x + 9)(x + 10)\)]

Q8) Factorise \(x^2 -3x -10\). [ \((x + 2)(x -5)\)]

Q9) Factorise the following;
4x + 16 = [ 4(x + 4)]

Q9) Factorise \(x^2 + 3x + 2\). [ \((x + 1)(x + 2)\)]

Q9) Factorise \(x^2 + x -6\). [ \((x + 3)(x -2)\)]

Q10) Factorise the following;
3x + 27 = [ 3(x + 9)]

Q10) Factorise \(x^2 + 8x + 16\). [ \((x + 4)(x + 4)\)]

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