Q1) Factorise the following;
5x + 40 = [ 5(x + 8)]

Q1) Factorise $x^2 -x -20$. [ $(x + 4)(x -5)$]

Q1) Factorise the following;
$x^2 -19x + 90 =$
[ $(x -10)(x -9)$]

Q2) Factorise the following;
21w -14 = [ 7(3w -2)]

Q2) Factorise $x^2 -6x -16$. [ $(x + 2)(x -8)$]

Q2) Factorise the following;
$x^2 -13x + 40 =$
[ $(x -5)(x -8)$]

Q3) Factorise the following;
70x + 21 = [ 7(10x + 3)]

Q3) Factorise $x^2 + x -20$. [ $(x + 5)(x -4)$]

Q3) Factorise the following;
$x^2 -12x + 32 =$
[ $(x -4)(x -8)$]

Q4) Factorise the following;
3y + 18 = [ 3(y + 6)]

Q4) Factorise $x^2 -5x -14$. [ $(x + 2)(x -7)$]

Q4) Factorise the following;
$x^2 -9x + 20 =$
[ $(x -4)(x -5)$]

Q5) Factorise the following;
30x -12 = [ 6(5x -2)]

Q5) Factorise $x^2 -6x -27$. [ $(x + 3)(x -9)$]

Q5) Factorise the following;
$x^2 -10x + 16 =$
[ $(x -2)(x -8)$]

Q6) Factorise the following;
2w + 2 = [ 2(w + 1)]

Q6) Factorise $x^2 -4x -12$. [ $(x + 2)(x -6)$]

Q6) Factorise the following;
$x^2 -7x + 12 =$
[ $(x -4)(x -3)$]

Q7) Factorise the following;
56z -48 = [ 8(7z -6)]

Q7) Factorise $x^2 -3x -10$. [ $(x + 2)(x -5)$]

Q7) Factorise the following;
$x^2 -8x + 16 =$
[ $(x -4)(x -4)$]

Q8) Factorise the following;
3z + 9 = [ 3(z + 3)]

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

Q8) Factorise the following;
$x^2 -6x + 8 =$
[ $(x -2)(x -4)$]

Q9) Factorise the following;
7x + 7 = [ 7(x + 1)]

Q9) Factorise $x^2 + 4x -32$. [ $(x + 8)(x -4)$]

Q9) Factorise the following;
$x^2 -10x + 16 =$
[ $(x -8)(x -2)$]

Q10) Factorise the following;
7x + 42 = [ 7(x + 6)]

Q10) Factorise $x^2 + 3x -10$. [ $(x + 5)(x -2)$]

Q10) Factorise the following;
$x^2 -12x + 32 =$
[ $(x -8)(x -4)$]