Solving Quadratics by Factorising
Question 1:
x
2
−
4
x
=
0
x
=
0
or
x
=
4
Question 2:
x
2
−
64
=
0
x
=
8
or
x
=
-8
Question 3:
3
x
2
−
48
=
0
x
=
4
or
x
=
-4
Question 4:
x
2
−
3
x
−
54
=
0
x
=
-6
or
x
=
9
Question 5:
x
2
+
12
x
=
−
35
x
=
-5
or
x
=
-7
Question 6:
3
x
2
−
4
x
+
1
=
0
x
=
1
3
or
1
