Solving Quadratics by Factorising
Question 1:
4
x
2
−
27
x
+
18
=
0
x
=
3
4
or
6
Question 2:
5
x
2
+
9
x
+
4
=
0
x
=
−
4
5
or
−
1
Question 3:
3
x
2
−
11
x
+
6
=
0
x
=
2
3
or
3
Question 4:
3
x
2
+
2
x
−
5
=
0
x
=
−
5
3
or
1
Question 5:
6
x
2
+
5
x
−
6
=
0
x
=
−
3
2
or
2
3
Question 6:
9
x
2
−
6
x
+
1
=
0
x
=
1
3
or
1
3
