Q1) Factorise the following;
2z + 20 = [ 2(z + 10)]

Q1) Factorise \(x^2 + 11x + 10\). [ \((x + 10)(x + 1)\)]

Q1) Factorise \(x^2 -6x -16\). [ \((x + 2)(x -8)\)]

Q2) Factorise the following;
6x + 54 = [ 6(x + 9)]

Q2) Factorise \(x^2 + 7x + 6\). [ \((x + 1)(x + 6)\)]

Q2) Factorise \(x^2 -x -12\). [ \((x + 3)(x -4)\)]

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

Q3) Factorise \(x^2 + 17x + 72\). [ \((x + 9)(x + 8)\)]

Q3) Factorise \(x^2 -5x -36\). [ \((x + 4)(x -9)\)]

Q4) Factorise the following;
10y + 80 = [ 10(y + 8)]

Q4) Factorise \(x^2 + 14x + 40\). [ \((x + 10)(x + 4)\)]

Q4) Factorise \(x^2 + x -20\). [ \((x + 5)(x -4)\)]

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

Q5) Factorise \(x^2 + 10x + 16\). [ \((x + 8)(x + 2)\)]

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

Q6) Factorise the following;
8y + 40 = [ 8(y + 5)]

Q6) Factorise \(x^2 + 9x + 8\). [ \((x + 1)(x + 8)\)]

Q6) Factorise \(x^2 -x -6\). [ \((x + 2)(x -3)\)]

Q7) Factorise the following;
4y + 28 = [ 4(y + 7)]

Q7) Factorise \(x^2 + 9x + 20\). [ \((x + 5)(x + 4)\)]

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

Q8) Factorise the following;
4w + 32 = [ 4(w + 8)]

Q8) Factorise \(x^2 + 4x + 3\). [ \((x + 3)(x + 1)\)]

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

Q9) Factorise the following;
10w + 20 = [ 10(w + 2)]

Q9) Factorise \(x^2 + 5x + 6\). [ \((x + 3)(x + 2)\)]

Q9) Factorise \(x^2 + 3x -10\). [ \((x + 5)(x -2)\)]

Q10) Factorise the following;
4x + 40 = [ 4(x + 10)]

Q10) Factorise \(x^2 + 8x + 15\). [ \((x + 5)(x + 3)\)]

Q10) Factorise \(x^2 -4x -12\). [ \((x + 2)(x -6)\)]