Q1) Factorise the following;
7z + 21 = [ 7(z + 3)]

Q1) Factorise the following;
81x + 18 = [ 9(9x + 2)]

Q1) Factorise the following;
\(35w^2 -30w =\) [ \(5w(7w -6) \)]

Q2) Factorise the following;
3y + 42 = [ 3(y + 14)]

Q2) Factorise the following;
26x + 12 = [ 2(13x + 6)]

Q2) Factorise the following;
\(24z^2 -16z =\) [ \(8z(3z -2) \)]

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

Q3) Factorise the following;
88w + 24 = [ 8(11w + 3)]

Q3) Factorise the following;
\(39w^2 + 15w =\) [ \(3w(13w + 5) \)]

Q4) Factorise the following;
7y + 84 = [ 7(y + 12)]

Q4) Factorise the following;
24x -21 = [ 3(8x -7)]

Q4) Factorise the following;
\(45y^2 -18y =\) [ \(9y(5y -2) \)]

Q5) Factorise the following;
8x + 56 = [ 8(x + 7)]

Q5) Factorise the following;
32y + 12 = [ 4(8y + 3)]

Q5) Factorise the following;
\(20y^2 + 15y =\) [ \(5y(4y + 3) \)]

Q6) Factorise the following;
8y + 88 = [ 8(y + 11)]

Q6) Factorise the following;
81w -18 = [ 9(9w -2)]

Q6) Factorise the following;
\(91z^2 + 56z =\) [ \(7z(13z + 8) \)]

Q7) Factorise the following;
10y + 80 = [ 10(y + 8)]

Q7) Factorise the following;
63y -18 = [ 9(7y -2)]

Q7) Factorise the following;
\(15x^2 -10x =\) [ \(5x(3x -2) \)]

Q8) Factorise the following;
9x + 90 = [ 9(x + 10)]

Q8) Factorise the following;
33w + 21 = [ 3(11w + 7)]

Q8) Factorise the following;
\(24w^2 -16w =\) [ \(8w(3w -2) \)]

Q9) Factorise the following;
2x + 28 = [ 2(x + 14)]

Q9) Factorise the following;
26z -6 = [ 2(13z -3)]

Q9) Factorise the following;
\(22w^2 + 10w =\) [ \(2w(11w + 5) \)]

Q10) Factorise the following;
6y + 18 = [ 6(y + 3)]

Q10) Factorise the following;
25x + 15 = [ 5(5x + 3)]

Q10) Factorise the following;
\(21x^2 + 28x =\) [ \(7x(3x + 4) \)]