Q1) Factorise the following;
63z -18 = [ 9(7z -2)]

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

Q1) Factorise the following;
\(x^2 -10x + 21 =\)
[ \((x -7)(x -3)\)]

Q2) Factorise the following;
10x + 30 = [ 10(x + 3)]

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

Q2) Factorise the following;
\(x^2 -9x + 14 =\)
[ \((x -2)(x -7)\)]

Q3) Factorise the following;
2w + 20 = [ 2(w + 10)]

Q3) Factorise \(x^2 + 5x -24\). [ \((x + 8)(x -3)\)]

Q3) Factorise the following;
\(x^2 -5x + 6 =\)
[ \((x -2)(x -3)\)]

Q4) Factorise the following;
63x + 28 = [ 7(9x + 4)]

Q4) Factorise \(x^2 -4x -21\). [ \((x + 3)(x -7)\)]

Q4) Factorise the following;
\(x^2 -6x + 9 =\)
[ \((x -3)(x -3)\)]

Q5) Factorise the following;
21z + 12 = [ 3(7z + 4)]

Q5) Factorise \(x^2 -x -12\). [ \((x + 3)(x -4)\)]

Q5) Factorise the following;
\(x^2 -7x + 12 =\)
[ \((x -3)(x -4)\)]

Q6) Factorise the following;
36x + 8 = [ 4(9x + 2)]

Q6) Factorise \(x^2 -x -12\). [ \((x + 3)(x -4)\)]

Q6) Factorise the following;
\(x^2 -6x + 8 =\)
[ \((x -2)(x -4)\)]

Q7) Factorise the following;
15z + 6 = [ 3(5z + 2)]

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

Q7) Factorise the following;
\(x^2 -8x + 12 =\)
[ \((x -2)(x -6)\)]

Q8) Factorise the following;
3w + 15 = [ 3(w + 5)]

Q8) Factorise \(x^2 -5x -14\). [ \((x + 2)(x -7)\)]

Q8) Factorise the following;
\(x^2 -15x + 54 =\)
[ \((x -6)(x -9)\)]

Q9) Factorise the following;
4y + 32 = [ 4(y + 8)]

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

Q9) Factorise the following;
\(x^2 -7x + 12 =\)
[ \((x -4)(x -3)\)]

Q10) Factorise the following;
18w + 30 = [ 6(3w + 5)]

Q10) Factorise \(x^2 + x -6\). [ \((x + 3)(x -2)\)]

Q10) Factorise the following;
\(x^2 -13x + 42 =\)
[ \((x -6)(x -7)\)]