Q1) Factorise the following;
5z + 45 = [ 5(z + 9)]

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

Q1) Factorise \(x^2 -7x -18\). [ \((x + 2)(x -9)\)]

Q2) Factorise the following;
6w + 42 = [ 6(w + 7)]

Q2) Factorise \(x^2 + 11x + 30\). [ \((x + 6)(x + 5)\)]

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

Q3) Factorise the following;
2w + 10 = [ 2(w + 5)]

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

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

Q4) Factorise the following;
5z + 35 = [ 5(z + 7)]

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

Q4) Factorise \(x^2 -3x -10\). [ \((x + 2)(x -5)\)]

Q5) Factorise the following;
8x + 40 = [ 8(x + 5)]

Q5) Factorise \(x^2 + 6x + 5\). [ \((x + 5)(x + 1)\)]

Q5) Factorise \(x^2 + 3x -10\). [ \((x + 5)(x -2)\)]

Q6) Factorise the following;
4z + 40 = [ 4(z + 10)]

Q6) Factorise \(x^2 + 4x + 3\). [ \((x + 1)(x + 3)\)]

Q6) Factorise \(x^2 + 2x -24\). [ \((x + 6)(x -4)\)]

Q7) Factorise the following;
2z + 8 = [ 2(z + 4)]

Q7) Factorise \(x^2 + 9x + 8\). [ \((x + 1)(x + 8)\)]

Q7) Factorise \(x^2 -6x -16\). [ \((x + 2)(x -8)\)]

Q8) Factorise the following;
6y + 54 = [ 6(y + 9)]

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

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

Q9) Factorise the following;
4w + 36 = [ 4(w + 9)]

Q9) Factorise \(x^2 + 14x + 48\). [ \((x + 6)(x + 8)\)]

Q9) Factorise \(x^2 + 2x -8\). [ \((x + 4)(x -2)\)]

Q10) Factorise the following;
4y + 20 = [ 4(y + 5)]

Q10) Factorise \(x^2 + 16x + 60\). [ \((x + 10)(x + 6)\)]

Q10) Factorise \(x^2 -x -12\). [ \((x + 3)(x -4)\)]