Solving Quadratics by Factorising
Question 1:
x
2
−
5
x
=
0
x
=
0
or
x
=
5
Question 2:
x
2
−
16
=
0
x
=
4
or
x
=
-4
Question 3:
3
x
2
−
3
=
0
x
=
1
or
x
=
-1
Question 4:
x
2
−
3
x
−
54
=
0
x
=
9
or
x
=
-6
Question 5:
x
2
−
11
x
=
−
18
x
=
9
or
x
=
2
Question 6:
5
x
2
−
33
x
+
18
=
0
x
=
3
5
or
6