Q1) Factorise the following;
12w + 9 = [ 3(4w + 3)]

Q1) Factorise $x^2 + x -12$. [ $(x + 4)(x -3)$]

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

Q2) Factorise the following;
25y -20 = [ 5(5y -4)]

Q2) Factorise $x^2 + x -6$. [ $(x + 3)(x -2)$]

Q2) Factorise the following;
$x^2 -9x + 20 =$
[ $(x -4)(x -5)$]

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

Q3) Factorise $x^2 + 7x -18$. [ $(x + 9)(x -2)$]

Q3) Factorise the following;
$x^2 -8x + 16 =$
[ $(x -4)(x -4)$]

Q4) Factorise the following;
7x + 70 = [ 7(x + 10)]

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

Q4) Factorise the following;
$x^2 -12x + 27 =$
[ $(x -9)(x -3)$]

Q5) Factorise the following;
5z + 20 = [ 5(z + 4)]

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

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

Q6) Factorise the following;
9z + 6 = [ 3(3z + 2)]

Q6) Factorise $x^2 + 6x -40$. [ $(x + 10)(x -4)$]

Q6) Factorise the following;
$x^2 -8x + 12 =$
[ $(x -6)(x -2)$]

Q7) Factorise the following;
20w + 12 = [ 4(5w + 3)]

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

Q7) Factorise the following;
$x^2 -10x + 21 =$
[ $(x -3)(x -7)$]

Q8) Factorise the following;
3y + 18 = [ 3(y + 6)]

Q8) Factorise $x^2 -x -6$. [ $(x + 2)(x -3)$]

Q8) Factorise the following;
$x^2 -8x + 16 =$
[ $(x -4)(x -4)$]

Q9) Factorise the following;
9x + 45 = [ 9(x + 5)]

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

Q9) Factorise the following;
$x^2 -4x + 4 =$
[ $(x -2)(x -2)$]

Q10) Factorise the following;
10x + 100 = [ 10(x + 10)]

Q10) Factorise $x^2 + 2x -8$. [ $(x + 4)(x -2)$]

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